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A slide show in Germany about the history of Wikipedia

A slide show, or slideshow, is a presentation of a series of still images (slides) on a projection screen or electronic display device, typically in a prearranged sequence. The changes may be automatic and at regular intervals or they may be manually controlled by a presenter or the viewer. Slide shows originally consisted of a series of individual photographic slides projected onto a screen with a slide projector, as opposed to the video or computer-based visual equivalent, in which the slides are not individual physical objects.

A slide show may be a presentation of images purely for their own visual interest or artistic value, sometimes unaccompanied by description or text, or it may be used to clarify or reinforce information, ideas, comments, solutions or suggestions which are presented verbally. Slide shows are sometimes still conducted by a presenter using an apparatus such as a carousel slide projector or an overhead projector, but now the use of an electronic video display device and a computer running presentation software is typical.

History

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Slide shows had their beginnings in the 1600s, when hand-painted images on glass were first projected onto a wall with a "magic lantern". By the late 1700s, showmen were using magic lanterns to thrill audiences with seemingly supernatural apparitions in a popular form of entertainment called a phantasmagoria. Sunlight, candles and oil lamps were the only available light sources. The development of new, much brighter artificial light sources opened up a world of practical applications for image projection. In the 1800s, a series of hand-painted glass "lantern slides" was sometimes projected to illustrate story-telling or a lecture. Widespread and varied uses for amusement and education evolved throughout the century. By 1900, photographic images on glass had replaced hand-painted images, but the black-and-white photographs were sometimes hand-colored with transparent dyes. The production of lantern slides had become a considerable industry, with dimensions standardized at 3.25 inches high by 4 inches wide in the US and 3.25 inches square in the UK and much of Europe.

"Magic lantern shows" also served as a form of home entertainment and were especially popular with children. They continued to have a place among commercial public amusements even after the coming of projected "moving pictures". Between films, early movie theaters often featured "illustrated songs", which were community sing-alongs with the lyrics and illustrations provided by a series of projected lantern slides. Theaters also used their lanterns to project advertising slides and messages such as "Ladies, kindly remove your hats".

After 35 mm Kodachrome color film was introduced in 1936, a new standard 2×2 inch (5×5 cm) miniature lantern slide format was created to better suit the very small transparencies the film produced. In advertising, the antique "magic lantern" terminology was streamlined, so that the framed pieces of film were simply "slides" and the lantern used to project them was a "slide projector".[1]

Home slide shows were a relatively common phenomenon in middle-class American homes during the 1950s and 1960s.

An image on 35 mm film mounted in a 2×2 inch (5×5 cm) metal, card or plastic frame is still by far the most common photographic slide format.

Uses

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A well-organized slide show allows a presenter to fit visual images to an oral presentation. The old adage "A picture is worth a thousand words" holds true, in that a single image can save a presenter from speaking a paragraph of descriptive details. As with any public speaking or lecturing, a certain amount of talent, experience, and rehearsal is required to make a successful slide show presentation.

Presentation software is most commonly used in the business world, where millions of presentations are created daily.[citation needed] Another very important area where it is used is for instructional purposes, usually with the intention of creating a dynamic, audiovisual presentation. The relevant points to the entire presentation are put on slides, and accompany a spoken monologue.

Slide shows have artistic uses as well, such as being used as a screensaver, or to provide dynamic imagery for a museum presentation, for example, or in installation art. David Byrne, among others, has created PowerPoint art. Slide shows have also been used for creating animations and games.

In art

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Since the late 1960s, visual artists have used slide shows in museums and galleries as a device, either for presenting specific information about an action or research or as a phenomenological form in itself. According to the introduction of Slide Show, an exhibition organized at the Baltimore Museum of Art: "Through the simple technology of the slide projector and 35 mm color transparency, artists discovered a tool that enabled the transformation of space through the magnification of projected pictures, texts, and images." Although some artists have not necessarily used 35 mm or color slides, and some, such as Robert Barry, have even abandoned images for texts, 35 mm color film slides are most commonly used. The images are sometimes accompanied by written text, either in the same slide or as an intertitle. Some artists, such as James Coleman and Robert Smithson, have used a voice-over with their slide presentations.

Slide shows have also been used by artists who use other media such as painting and sculpture to present their work publicly. In recent years there has been a growing use of the slide show by a younger generation of artists. The non-profit organization Slideluck Potshow holds slide show events globally, featuring works by amateur and professional artists, photographers, and gallerists. Participants in the event bring food, potluck style, and have a social dinner before the slide show begins.

Other known artists who have used slide shows in their work include Bas Jan Ader, Francis Alys, Jan Dibbets, Dan Graham, Rodney Graham, Nan Goldin, Louise Lawler, Ana Mendieta, Jonathan Monk, Dennis Oppenheim, Allan Sekula, Carey Young and Krzysztof Wodiczko.

Digital

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Slide show in Xubuntu 16.04

Digital photo slide shows can be custom-made for clients from their photos, music, wedding invitations, birth announcements, or virtually any other scannable documents. Some producers call the resulting DVDs the new photomontage. Slide shows can be created not only on DVD, but also in HD video formats and as executable computer files. Photo slide show software has made it easy to create electronic digital slide shows, eliminating the need for expensive color reversal film and requiring only a digital camera and computer.

Photo slide show software often provides more options than simply showing the pictures. It is possible to add transitions, pan and zoom effects, video clips, background music, narration, captions, etc. By using computer software one therefore has the ability to enhance the presentation in a way that is not otherwise practical. The finished slide show can then be burned to a DVD, for use as a gift or for archiving, and later viewed using an ordinary DVD player.

Web-based slide show

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A web-based slide show is a slide show which can be played (viewed or presented) using a web browser. Some web based slide shows are generated from presentation software and may be difficult to change (usually unintentionally so). Others offer templates allowing the slide show to be easily edited and changed.

Compared to a fully fledged presentation program the web based slide shows are usually limited in features.

A web-based slide show is typically generated to or authored in HTML, JavaScript and CSS code (files).

See also

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References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Slide show

View on Grokipedia
from Grokipedia
A slide show is a presentation of photographic slides or digital images projected onto a surface or displayed on a screen one after another, often in a sequential order to convey information, tell a story, or illustrate a topic. Originally developed in the mid-19th century, slide shows evolved from analog photographic projections using devices like the to sophisticated digital formats powered by software, becoming a staple in , , and . The roots of the slide show lie in the invention of the photographic lantern slide in 1849 by William and Frederick Langenheim in , who created the first positive glass transparencies suitable for projection just a decade after photography's debut. These early slides, produced using their hyalotype process, were projected using projectors—devices dating back to the but adapted for photographs in the —for lectures, , and public demonstrations. By the early , 35 mm color transparency film, introduced by in 1935, enabled more vibrant and portable slides, leading to widespread use in the 1950s with dedicated slide projectors for home and professional viewing. The 1961 introduction of the projector, invented by David E. Hansen and patented in 1965, revolutionized sequential projection by allowing easy slide rotation in a circular tray, supporting up to 80 images per load. In the 1970s and 1980s, slide shows reached a peak of complexity in corporate and marketing contexts through multi-image productions involving dozens or even hundreds of synchronized 35 mm projectors, soundtracks, and dissolve effects, as exemplified by the 1987 Saab 9000 launch featuring 7,000 slides across 80 projectors for 2,500 attendees. This era supported an industry employing around 20,000 people by the mid-1980s, with tools like the AVL Eagle computer automating projector control. The transition to digital began in the early 1980s with the emergence of presentation software on personal computers; programs resembling modern tools appeared as early as 1982, predating PowerPoint's debut. PowerPoint, conceived in 1984 by Robert Gaskins at Forethought, Inc., launched in 1987 as the first software for creating and delivering graphics-rich presentations directly on computers like the Macintosh, attracting Apple's first venture capital investment and later acquired by Microsoft for $14 million. By the 1990s, digital slide shows supplanted analog methods, with PowerPoint 3.0 in 1992 enabling laptop-based delivery and reaching over 1 billion installations by 2010, incorporating text, charts, animations, and multimedia. Today, slide shows remain essential for visual communication, supported by tools like Google Slides and Apple Keynote, though the last traditional slide projector was manufactured in 2004.

Fundamentals

Definition and Purpose

A slide show is a sequential presentation of images, text, or elements displayed one after another, typically projected onto a surface or shown on a digital screen. This format originated with photographic transparencies but has evolved to include digital visuals created via software. In essence, it organizes content into discrete "slides" that advance manually or automatically, facilitating structured viewing. The primary purpose of a slide show is to visually support oral presentations, lectures, or standalone displays by illustrating key concepts and enhancing audience comprehension. It serves educational, professional, and informational goals, such as breaking down complex ideas into digestible segments to maintain engagement and aid retention. For instance, in academic settings, slide shows allow instructors to embed diagrams, charts, and videos alongside narration, making abstract topics more tangible without overwhelming viewers. In business contexts, they streamline communication of data or strategies, often incorporating transitions to guide attention smoothly. Beyond mere illustration, slide shows promote portability and integration, enabling creators to convey narratives efficiently across diverse audiences. Their design emphasizes clarity, with each slide focusing on a single objective to reinforce the presenter's message rather than replace verbal explanation. This approach ensures the tool amplifies impact while avoiding cognitive overload, as supported by principles in .

Basic Components

A slide show consists of a sequence of individual slides that are displayed one after another to convey information, often in a linear or format. The core building blocks include the slides themselves, transitions between them, optional animations within slides, and audio elements for enhancement. These components work together to create a cohesive visual and auditory experience, whether presented live or as a self-running production. Slides form the fundamental units of a slide show, each designed to communicate a single key idea or segment of content. A typical slide includes a concise that summarizes the main point, body text limited to essential bullet points or short phrases, and supporting visuals such as images, charts, graphs, or diagrams to illustrate concepts without overwhelming the viewer. Effective slide emphasizes high-contrast text in fonts, minimal wording (ideally fitting within one minute of discussion), and no more than six visual elements to avoid cognitive overload. For instance, figures or tables on a slide should directly reinforce the and spoken explanation, ensuring the slide serves as a visual rather than a script. Transitions provide the mechanism for shifting from one slide to the next, smoothing the progression and signaling changes in topic to the . These effects, such as fades (where the current slide gradually disappears), wipes (where one slide pushes out another), or dissolves (a blend between slides), help maintain engagement and pacing. Used judiciously, transitions prevent abrupt jumps and can punctuate important shifts, though excessive or flashy ones may distract from the content. In digital slide shows, transitions are typically customizable in duration and style through software. Animations add dynamism to individual slides by controlling the entrance, emphasis, or exit of elements, such as bullet points appearing sequentially or graphics scaling in to draw attention. These intra-slide effects, distinct from transitions, allow presenters to reveal information progressively, aligning with the spoken narrative to guide viewer focus. Common types include fade-ins, fly-ins, or spins, but best practices recommend using animations sparingly or avoiding them to prevent distraction from the content and ensure clarity and professionalism. Audio components, including voice narration, background music, or sound effects, can be integrated to accompany the visuals, particularly in automated or recorded slide shows. Narration provides verbal explanation timed to each slide, while music sets the tone without overpowering the content; synchronization is key, often achieved by aligning audio tracks with slide durations. This multimodal approach enhances retention and accessibility, as studies show combined audio-visual presentations improve comprehension compared to visuals alone. Audio is especially useful for self-paced shows or when the presenter is absent. Timing and round out the components, determining how long each slide displays (manually via presenter control or automatically via presets) and enabling non-linear access if needed, such as hyperlinks between slides. A standard rule is one slide per minute of presentation time, allowing 20-30 slides for a 20-minute show to keep the pace brisk. These elements ensure the slide show functions as an integrated whole, adaptable to various delivery methods like projectors, screens, or digital playback.

Historical Development

Origins and Early Forms

The concept of the slide show originated in the with the , an early optical that displayed hand-painted images on glass slides illuminated by candles or oil lamps and projected onto walls or screens for audiences. This device, constructed by around 1659 and described by in his 1671 book , was initially used by itinerant showmen for entertainment, including spectacles featuring ghostly illusions and moral or biblical narratives to captivate viewers in darkened rooms. Early slides were simple, hand-crafted transparencies depicting static scenes, such as devils or historical figures, and the lantern's portability allowed performances in theaters, homes, and public halls across . The transition to photographic slides marked a significant evolution in the mid-19th century, following the invention of . In 1849, German-born brothers William and Frederick Langenheim in created the first photographic lantern slides, known as hyalotypes, by producing positive transparencies directly on plates shortly after Louis Daguerre's announcement of his process. These 3.25-by-4-inch slides, initially made using the hyalotype process, a positive transparency on based on daguerreotypy, with later slides using the wet-plate process from the 1850s onward, offered greater realism and detail compared to painted versions, enabling educators, lecturers, and missionaries to illustrate lectures on , , and with sequential projections in shows. By the late , lantern slide presentations had become a staple in institutions like the Royal Polytechnic Institution in , founded in 1838, where they combined narration, music, and effects for immersive educational experiences. A further advancement came in the with the development of smaller, color-compatible formats. In 1935, Eastman Kodak introduced , the first successful color , invented by Leopold Mannes and Leopold Godowsky Jr. after years of research starting in the early ; it was initially available in 16mm for cine cameras but expanded to 35mm still film by 1936. These 35mm transparencies, mounted in cardboard or plastic frames, produced high-fidelity color images that revolutionized slide shows, particularly when projected via carousel projectors introduced in 1961, facilitating professional lectures, corporate briefings, and amateur clubs with seamless, automated sequencing. This format dominated analog slide presentations until the digital era, emphasizing vibrant visuals over the monochromatic limitations of earlier lantern slides.

Modern Evolution

The modern evolution of slide shows began in the early with the advent of digital presentation software, marking a shift from analog projectors to computer-based displays that enabled automated transitions and graphics. In 1982, Lotus Development released the Executive Briefing System for the , which allowed users to create video display slide shows featuring effects like fades and wipes, treating the computer as a digital slide projector. The following year, 1983, saw the launch of VCN ExecuVision by Network Inc. for the PC, introducing capabilities for combining text, , and graphs in slide formats, priced at $400 with additional disks at $90 each. These early tools laid the groundwork for replacing physical slides with software-generated visuals, driven by the rise of personal computers. A pivotal milestone occurred in 1987 with the release of PowerPoint 1.0 by Forethought Inc. for the Macintosh, which Microsoft acquired later that year, establishing it as the dominant platform for digital slide shows. Subsequent versions rapidly expanded functionality: PowerPoint 2.0 in 1988 added color support and spell-checking, while the 1990 Windows version 2.0, with version 3.0 in 1992, introduced TrueType fonts, slide transitions, and multimedia integration. By the mid-1990s, PowerPoint 95 aligned with Microsoft Office, and later iterations like 2007 incorporated the ribbon interface, SmartArt diagrams, and XML-based file formats for better compatibility. The 2010s brought cloud collaboration, with PowerPoint 2013 enabling real-time online editing and mobile apps for iOS and Android, alongside features like video embedding and save-as-video options. In the 2020s, slide show evolution has increasingly integrated (AI) to automate design and content generation, enhancing accessibility and creativity. Tools like Beautiful.ai, launched earlier but enhanced with generative AI by 2025, use to auto-format slides and suggest layouts from user prompts, starting at $12 per month. Similarly, Gamma employs AI to create entire presentations from text inputs, offering free tiers and paid plans from $8 per user per month since 2024. integrated Gemini AI for slide generation by 2025, with Gemini enabling full presentation creation from prompts as of October 2025, available in plans at $14 per user per month, while Canva's Design and Write tools automate visual and textual elements. These advancements, alongside non-linear formats in and video-focused options in , have transformed slide shows into dynamic, interactive experiences, with AI reducing creation time from hours to minutes.

Types and Formats

Analog Slide Shows

Analog slide shows refer to presentations using physical photographic transparencies, most commonly 35mm slides, projected onto a screen via a to display sequential images for educational, professional, or entertainment purposes. These shows predate digital formats and rely on analog photographic processes to capture and reproduce high-fidelity color images. The origins of analog slide projection trace back to the with magic lanterns, which used painted glass slides illuminated by oil lamps or candles to project images for public entertainment and early lectures. By the mid-19th century, advancements in led to the development of hyalotypes in 1850 by William and Frederick Langenheim, the first photographic slides created from positives derived from negatives and projected using improved lanterns. Color projection emerged in the early with processes like the Autochrome in 1907, an method using dyed potato starch grains on glass plates, though these were cumbersome due to long exposure times. The pivotal breakthrough came in 1935 with Eastman Kodak's introduction of , a subtractive three-color that enabled vibrant, durable color slides with shorter exposures, revolutionizing analog presentations. The following year, , saw the commercialization of 35mm Kodachrome slides, establishing the standard format for modern analog slide shows. Key components of analog slide shows include the slides themselves, projectors, and projection surfaces. Slides are typically 35mm film strips processed as positive transparencies, featuring a 24mm x 36mm image area mounted in 2x2-inch cardboard or plastic frames for easy handling and projection; Kodachrome provided exceptional color fidelity and archival stability due to its multi-layer dye formation process. Slide projectors, such as the Kodak Kodaslide introduced in 1937 for glass-mounted slides, evolved into electric models by the 1950s, with the iconic Carousel projector patented in 1965 by David E. Hansen and acquired by Kodak, allowing automatic advancement of up to 80 slides in a rotating tray for seamless shows. These projectors used a high-intensity lamp, condenser lenses to focus light through the slide, and an objective lens to magnify the image up to 100 times onto a matte white screen or wall, often in darkened rooms to enhance visibility. Creating an analog slide show involved photographing subjects on like or , processing the film in specialized labs to produce positive transparencies, and manually mounting them into frames; this labor-intensive process ensured high-resolution images suitable for large-scale projection. typically occurred in sequence, with a presenter advancing slides manually via or automatically timed for durations of 10-30 seconds per image, often accompanied by live narration or pre-recorded audio in "slide-tape" formats popular in the and for lectures and exhibits. Analog shows excelled in delivering sharp, color-accurate visuals in professional settings like academic art history lectures—where slide libraries of thousands supported visual analysis—and corporate training, as well as family gatherings for sharing vacation photos. By the late , analog slide shows peaked in popularity post-World War II, with promoting them as a premium medium for home and professional use through the 1950s slogan emphasizing their superior image quality. However, production of key components declined sharply: slide film like was discontinued in , and major projector manufacturing ceased around 2004, driven by the rise of digital alternatives offering easier editing and distribution. Despite this, analog formats persist in niche artistic applications, such as installations by photographers like , where the tactile, projected quality evokes a sense of historical authenticity. Preservation efforts now focus on digitizing collections to combat fading dyes and obsolete hardware, ensuring the legacy of these shows endures.

Digital Slide Shows

Digital slide shows represent a sequence of digital images, text, , and elements displayed in succession, typically using presentation software to facilitate , information dissemination, or . Unlike analog formats, they leverage computer-based tools to create, edit, and project content dynamically on screens or monitors. This format emerged as a direct evolution from physical slide projections, enabling automated transitions, animations, and interactivity that enhance audience engagement. The development of digital slide shows began in the early 1980s with the advent of personal computers, predating widely known tools like Microsoft PowerPoint. In 1982, the Lotus Executive Briefing System for the Apple II allowed users to compile and display slides using saved screen images with basic transitions such as fades and wipes, marking an early shift toward treating computers as digital projectors. By 1983, VCN ExecuVision for the IBM PC introduced more advanced features like clip art integration and text overlays, costing around $400 at launch. PowerPoint itself debuted in 1987 for the Macintosh, initially developed by Forethought, Inc., and acquired by Microsoft shortly after, revolutionizing the field by bundling it into Office suites and standardizing digital presentations for business and education. By the early 1990s, digital formats had largely supplanted analog slide projectors, with PowerPoint 3.0 in 1992 enabling laptop-based video outputs that democratized creation. Common file formats for digital slide shows include the XML-based .pptx, introduced by in 2007 with PowerPoint 2007, which supports compressed storage of slides, embedded media, and animations while improving security by excluding macros unless explicitly enabled. Open standards like .odp ( ), developed by the OASIS consortium in 2005, provide interoperability across software such as and , ensuring vendor-neutral compatibility. Other formats include .key for Apple and export options like PDF for static viewing or MP4 for video-based playback, allowing seamless distribution via , , or web embedding. These formats facilitate easy duplication and modification without physical degradation. Compared to analog slide shows, digital versions offer significant advantages in flexibility and efficiency, such as effortless of content post-creation, integration of audio, video, and hyperlinks for richer , and real-time through platforms. They reduce production costs by eliminating the need for and manual assembly, while enabling instant sharing and scalability for global audiences—features that transformed corporate communications by the 1990s, as seen in the decline of multi-image analog setups like the 1987 Saab 9000 launch with 7,000 physical slides. Additionally, digital formats preserve quality indefinitely without fading, support AI-assisted design for non-experts, and adapt to diverse devices, from projectors to mobile screens.

Creation Tools

Desktop Software

Desktop software for creating slide shows refers to standalone applications installed on personal computers that enable users to design, edit, and present sequences of slides, typically featuring text, images, animations, and elements. These programs run locally on operating systems like Windows, macOS, and , offering robust offline functionality, advanced customization, and integration with system resources for high-performance rendering. Unlike web-based tools, desktop software often provides deeper control over file formats, , and complex layouts without relying on connectivity. Microsoft PowerPoint stands as the most widely used desktop presentation software, originally developed by , and acquired by in 1987 for $14 million, with its first version released for Macintosh in 1987 and for Windows in 1990. It supports creating slides with templates, charts, animations, and AI-assisted features like Copilot for generating outlines and for layout suggestions, while enabling real-time and export to formats such as PDF and video. PowerPoint integrates seamlessly with , offering tools for presenter coaching on delivery aspects like pacing, and is available in over 80 languages with compatibility across Windows and macOS. Apple Keynote, introduced in 2003 as part of the suite, is a native application for macOS and devices, emphasizing cinematic transitions, high-resolution , and integration with Apple's ecosystem for smooth animations and media handling. Users can select from customizable themes, add interactive charts, and use gestures for editing, with features like separate presenter displays during video conferences and support for exporting to PowerPoint formats or movies. Keynote's design prioritizes visual polish and ease of use on Apple hardware, including tools for rehearsing timings and embedding live web content. LibreOffice Impress, the open-source presentation component of the suite forked from in 2010, provides a free alternative compatible with files and runs on Windows, macOS, and . It includes multiple views such as Normal, Outline, and Slide Sorter for organizing content, along with drawing tools from for , Fontworks for 3D text effects, and physics-based animations introduced in version 7.1 (2021). Impress supports slide transitions, embedding, and extensions like Presenter Console for multi-monitor setups, with templates and export options to PDF, , or formats enhanced since its OpenOffice roots in the early 2000s. Other notable desktop options include Corel Presentations for Windows, which focuses on advanced diagramming and integration with , and older tools like , though these have diminished in prominence compared to the dominant trio. Desktop software generally excels in scenarios requiring offline access and precise control, such as professional training or large-scale corporate decks, but may require periodic updates for security and compatibility.

Web-Based Platforms

Web-based platforms for slide shows operate entirely in web browsers, eliminating the need for software installation and enabling seamless collaboration across devices and locations. These tools typically integrate for automatic saving and sharing, often with real-time editing features that allow multiple users to contribute simultaneously. Popular examples include , which supports embedding videos, diagrams, and animations alongside built-in chat for team feedback, making it ideal for collaborative workflows in educational and business settings. Its free access for holders has driven widespread adoption, with integration into facilitating over a billion users globally for document-based presentations. Canva stands out for its drag-and-drop interface and extensive library of over one million searchable images and templates, allowing users to create visually rich slide shows quickly without design expertise. Additionally, Canva enables the transformation of static images into basic videos through a slideshow-style format, where each image is displayed for a few seconds, ideal for simple video creation from photos. To create a video slideshow from photos, users can access https://www.canva.com/create/slideshows, sign in with a free account, choose a slideshow template or start from blank, upload photos from folders by dragging multiple at once, arrange them in order by dragging on the timeline, add transitions, music from the free library, text, and set duration per photo (e.g., 3–5 seconds), then export as MP4. The platform's free tier supports online sharing and basic , though simultaneous editing is limited compared to rivals; premium features like custom branding require a subscription starting at $15 per month (billed monthly) or $120 per year. Adopted by millions for marketing and content, Canva's emphasis on elements has made it a go-to for non-linear, image-heavy slide shows since its launch in 2013. Prezi revolutionized web-based slide shows by using a single, zoomable instead of sequential slides, enabling dynamic, non-linear storytelling with animated paths and real-time . Rated highly for its engaging visuals, it includes HD live sharing and to track viewer engagement, though customization options can feel restrictive for structured . Used by businesses worldwide, Prezi's cloud-based model supports cross-platform access and has been praised for transforming static presentations into interactive experiences. Beautiful.ai leverages to automate slide , adapting layouts in real-time as users add content, which speeds up creation for professional slide shows. Key features include smart templates and team collaboration tools, with a refreshed interface in January 2025 improving ; it excels in producing polished results with minimal effort but may limit advanced customization. Targeted at and teams, its AI-driven approach has gained traction for efficiency, blending with . Other notable platforms include Zoho Show, which offers a simple, cloud-based interface for collaborative editing and sharing within Zoho's business suite, providing a free version for basic slide show needs. Visme and extend web-based capabilities to interactive and animated formats, with Visme focusing on data visualization and Powtoon on video-integrated slide shows for educational content. These tools collectively prioritize accessibility and integration with services like or , enhancing productivity for remote teams while supporting export to formats like PDF or video.

Applications

Educational and Professional Uses

Slide shows, particularly digital formats like PowerPoint and , are widely employed in educational settings to structure lectures and facilitate student comprehension of complex topics. Educators use them to outline lesson objectives, highlight key concepts, and incorporate visuals such as diagrams or charts to reinforce explanations, thereby aiding in the and delivery of instructional content. For instance, in science and courses, slides serve as a scaffold for step-by-step instructions on assignments or activities, allowing students to follow sequential processes visually during class discussions. Research indicates that well-designed slide presentations, with minimal text and integrated , enhance student absorption and retention of information by aligning with cognitive principles that reduce overload and promote active engagement. A review of studies on PowerPoint in highlights its potential to illuminate patterns, reveal talk organization, and support learning when used to emphasize essential points rather than overwhelming with details. In higher education, slide shows also support interactive elements, such as projecting student-generated content for class-wide review or using blank slides for real-time annotations during discussions, which fosters and immediate feedback. However, effectiveness depends on features, such as high-contrast colors and alternative text for images, to ensure equitable access for diverse learners including those with visual impairments. In professional contexts, slide shows are essential tools for communicating ideas in meetings, conferences, and corporate training sessions, enabling presenters to distill complex data into digestible visuals that clarify insights and drive decision-making. They are particularly prevalent in scientific and environments, where slides facilitate the sharing of findings or project updates, with studies showing that certain visual presentation tools, such as , can increase audience persuasion compared to oral-only formats, though results are mixed for others like PowerPoint. A survey of employed professionals found that 70% consider skills, often involving slide shows, critical to success, underscoring their role in enhancing communication efficacy and professional credibility. Professionally, slide shows support corporate by outlining development strategies, such as skill-building modules or organizational initiatives, helping teams align on goals through clear narratives and bullet-point summaries. Best practices emphasize limiting content to one idea per slide, using headings to convey main messages, and incorporating to avoid cognitive overload, which improves engagement in high-stakes settings like academic conferences or boardroom pitches. In fields like and , they are used to convey mechanisms of processes or case studies, though overuse of text can hinder adult learners' preference for interactive discussions. Overall, when designed with audience needs in mind, slide shows amplify the impact of communication by providing visual reinforcement without distracting from the speaker's .

Artistic and Cultural Uses

Slide shows have long served as a medium for artistic expression and cultural , tracing their origins to the projections of the 17th and 18th centuries, which animated hand-painted glass slides to depict narratives, landscapes, and moral tales in public entertainments such as lectures, pantomimes, and theater performances. These early slide shows functioned as precursors to cinema, blending visual imagery with live narration or music to engage audiences in communal experiences, often in traveling shows or institutional settings like the Royal Polytechnic Institution in , where they illustrated scientific wonders and historical events. By the , photographic lantern slides expanded their cultural reach, documenting social issues—such as urban poverty in Jacob Riis's 1880s projections—and fostering public discourse on humanitarian topics. In the , slide projections became integral to historical and creative practices, with innovations like Bruno Meyer's 1850s glass slides enabling the systematic display of artworks for comparative analysis in lectures, transforming into a visual form. The dual-slide technique, popularized in the mid-20th century, allowed educators and artists to juxtapose images side-by-side, emphasizing stylistic or thematic connections and influencing how viewers constructed historical meaning through sequential imagery. Culturally, slides facilitated ; for instance, in 1970, and Lucy Lippard projected slides onto the Whitney Museum's facade to protest the exclusion of women from the museum's annual , highlighting gender inequities in the and sparking broader feminist dialogues. Contemporary artists have embraced slide shows as a versatile medium in installations and performances, valuing their hybrid nature between still photography and , as well as the tactile mechanics of that add auditory and spatial dimensions to the work. Since the , tied to and , projections have enabled site-specific interventions, such as Krzysztof Wodiczko's politically charged slides cast onto public buildings to critique power structures and urban alienation. Notable examples include Nan Goldin's (1980s), a slideshow of intimate photographs that evoked collective emotional responses to themes of love, addiction, and community; Jan Dibbets's Land/Sea (1970), a six-carousel installation synchronizing slides with architectural space; and Marc Camille Chaimowicz's Partial Eclipse (1980–2006), an immersive environment at blending slides with lighting and objects to explore memory and domesticity. Other artists like James Coleman, , and Hilary Lloyd have incorporated 35mm slides for their obsolescent materiality, creating works that reflect on time, narrative, and viewer interaction before the medium's decline with the last analog produced in 2004. In cultural contexts, such as museum exhibitions like the Museum of Art's 2005 SlideShow, multi- setups have showcased 19 works ranging from single-image sequences to cinematic narratives, underscoring slides' role in democratizing access to art and activism.

References

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  2. https://guides.library.oregonstate.edu/earlyphotoformats/lanternslides
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  4. https://legacybox.com/blogs/analog/history-of-photo-slides
  5. https://www.technologyreview.com/2023/08/11/1077232/corporate-presentations-history/
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  7. https://www.robertgaskins.com/
  8. https://www.pcmag.com/encyclopedia/term/slide-show
  9. https://dictionary.cambridge.org/us/dictionary/english/slide-show
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