This 45-year-old film is fascinating (if you're drawn that way), because the presentation it captured basically created the personal computer revolution.
In it, Doug Engelbart presented the results of 10 years of research at Stanford Research Institute, demo-ing the first mouse ever seen, the first example of WYSIWYG, hypertext, and many things we take for granted today. http://www.theatlantic.com/technology/archive/2013/12/the-mother-of-all-\ demos-is-45-years-old-doesnt-look-a-day-over-25/282152/ <http://www.theatlantic.com/technology/archive/2013/12/the-mother-of-all\ -demos-is-45-years-old-doesnt-look-a-day-over-25/282152/>