Douglas Engelbart demonstrated the first computer mouse at the Fall Joint Computer Expo in San Francisco on December 9, 1968. Engelbart also demoed the chord keyset (on left) that was a keyboard used with five piano-like keys. Englebert worked at the Stanford Research Institute which was also perfecting the acoustic modem at this time. Other technologies demonstrated during the landmark 90 minute session included hypertext, object addressing, dynamic file linking, and shared-screen collaboration in which two persons at different sites communicated over a network via both audio and video.
He also worked on a project to augment the human intellect, as part of the Augment project he demonstrated Hypertext and video conferencing.
Douglas Engelbart is one of the most influential thinkers in the history of personal computing. He is best known as the groundbreaking engineer who invented the mouse, windows, e-mail, and the word processor. Engelbart led one of the most important projects funded by ARPA (Advanced Research Projects Agency) in the 1960s: a networked environment designed to support collaborative interaction between people using computers. It was named the NLS (oNLine System). This prototype, developed at the Stanford Research Institute, and presented in 1968 at the Joint Computer Conference in San Francisco, influenced the development of the first personal computer and the graphical user interface at Xerox PARC in the early 1970s.
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