hypertext

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

Ted Nelson explains the original Xanadu hypertext idea of visible connection, the notion that links between documents should be shown and preserved. He argues that the Web and current document standards lost this concept.

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.

The opening episode of Ted Nelson's Computers for Cynics series, in which he casts doubt on conventional accounts of computer basics. He argues that conventions and packaging are mistaken for technology.

Ted Nelson's short eulogy for Douglas Engelbart, delivered at the Computer History Museum in 2013, reflecting on his friend and Engelbart's ideas.

A short romantic comedy by Ted Nelson about the 'microcircuitry of love', with Doug Engelbart as his father and Stewart Brand as the villainous CEO.

Ted Nelson, in his Computers for Cynics series, gives a critical history of Xerox PARC's vision of personal computing. He lists what he sees as the limitations and wrong turns in PARC's approach to the desktop and documents.

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.