The Mother of All Demos A Lecture by Douglas Engelbart en.wikipedia.org A name retroactively applied to a landmark computer demonstration, presented by Douglas Engelbart on December 9, 1968. The 90-minute presentation essentially demonstrated almost all the fundamental elements of modern personal computing: windows, hypertext, graphics, efficient navigation and command input, video conferencing, the computer mouse, word processing, dynamic file linking, revision control, and a collaborative real-time editor Menus, Metaphors and Materials: Milestones of User Interface Design interfacestechnology
To become completely lost To become completely lost is perhaps a rather rare experience for most people in the modern city. We are supported by the presence of others and by special way-finding devices: maps, street numbers, route signs, bus placards. But let the mishap of disorientation once occur, and the sense of anxiety and even terror that accompanies it reveals to us how closely it is linked to our sense of balance and well-being. The very word "lost" in our language means much more than simple geographical uncertainty; it carries overtones of utter disaster. Kevin Lynch, The Image of the City Disorientation citiesplacegeographywayfinding