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
104. Site Repair Problem Buildings must always be built on those parts of the land which are in the worst condition, not the best. Solution On no account place buildings in the places which are more beautiful. In fact, do the opposite. Consider the site and its buildings as a single living ecosystem. Leave those areas that are the most precious, beautiful, comfortable, and healthy as they are, and build new structures in those parts of the site which are least pleasant now. Christopher Alexander, Murray Silverstein & Sara Ishikawa, A Pattern Language Einmal Ist KeinmalRepairBut then the knoll was goneComposition and revisionRethinking Repair buildingmakingdesignrepair