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Hypermedia, an extension of hypertext, is a nonlinear medium of information that includes graphics, audio, video, plain text and . This designation contrasts with the broader term multimedia, which may include non-interactive linear presentations as well as hypermedia. The term was first used in a 1965 article written by Ted Nelson. Hypermedia is a type of multimedia that features interactive elements, such as hypertext, buttons, or interactive images and videos, allowing users to navigate and engage with content in a non-linear manner.
The World Wide Web is a classic example of hypermedia to access web content, whereas a conventional Movie theatre presentation is an example of standard multimedia, due to its inherent linearity and lack of interactivity via hyperlinks.
The first hypermedia work was, arguably, the Aspen Movie Map. Bill Atkinson's HyperCard popularized hypermedia writing, while a variety of literary hypertext and non-fiction hypertext works (electronic literature), demonstrated the promise of hyperlinks. Most modern hypermedia is delivered via Pagination from a variety of systems including media players, , and stand-alone applications (i.e., software that does not require network access). Audio hypermedia is emerging with voice command devices and voice browser.
Hypermedia applications may be developed on embedded devices for the mobile and the digital signage industries using the Scalable Vector Graphics (SVG) specification from W3C (World Wide Web Consortium). Software applications, such as Ikivo Animator and Inkscape, simplify the development of hypermedia content based on SVG. Embedded devices, such as the iPhone, natively support SVG specifications and may be used to create mobile and distributed hypermedia applications.
Hyperlinks may also be added to using most business software via the limited scripting and features built in. Documentation software, such as the Microsoft Office Suite and LibreOffice, allow for hypertext links to other content within the same file, other external files, and URL links to files on external . For more emphasis on graphics and page layout, hyperlinks may be added using most modern desktop publishing tools. This includes presentation programs, such as Microsoft PowerPoint and LibreOffice Impress, add-ons to print layout programs such as QuarkXPress, and tools to include hyperlinks in PDF documents such as Adobe InDesign for creating and Adobe Acrobat for editing. Hyper Publish is a tool specifically designed and optimized for hypermedia and hypertext management. Any HTML editor may be used to build HTML files, accessible by any web browser. CD/DVD authoring tools, such as DVD Studio Pro, may be used to hyperlink the content of for or web links when the disc is played on a personal computer connected to the internet.
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