1973 Invention PLATO Notes is created by 17-year-old student Dave Woolley at the Computer-based Education Research Laboratory at the University of Illinois, as a conferencing and bulletin board forum system for communicating with the user community. In 1976, Notes expanded to enable any user to create a "notesfile" on any subject. PLATO Notes would serve as the inspiration for Lotus Notes developed by former PLATO users Ray Ozzie, Len Kawell, and Tim Halvorsen. (9 h 38 m, 10 ene 1973 año – 13 h 58 m, 20 mar 1973 año)