hypertext

Ted Nelson demonstrates Xanadu Space, his software for representing hypertext in three-dimensional space with linked, referenced content fragments.

The full recording of Douglas Engelbart's 1968 demonstration, which introduced the mouse, hypertext, video conferencing, word processing, and real-time collaborative editing. It runs about 100 minutes.

Highlights from Doug Engelbart's December 1968 demonstration at SRI, the first public showing of the mouse, hypertext, windows, real-time collaborative editing and shared-screen teleconferencing. This is a roughly six-minute condensed version of the full demo.

Apple's late-1980s Knowledge Navigator concept video, produced under John Sculley, showing a professor using a tablet-like device with a conversational software agent. It envisions hypertext, touchscreens and voice assistants.