Tinselman: The Mother of All Demos
http://tinselman.typepad.com/tinselman/2008/06/the-mother-of-a.html
"Douglas Engelbart's whirling vision of the future; it was the first public use of a mouse, as well as examples of cutting, copying, pasting, teleconferencing, video conferencing, email, and... hypertext. It's just too damn much for 1968!"