The Mother of All Demos took place in San Francisco on 9th December 1968. It was presented by Douglas Engelbart, the inventor of the mouse, and featured video conferencing, graphical user interface with the features of the mouse, hypertext, and word processing. All these technologies would become mainstream in the future. Engelbart had used the oN-Line System (NLS) for the demonstration.
The original design of the smiley had one eye bigger than the other. It was designed by freelance artist Harvey Ball in 1963. [more...]