http://bradfitz.com/words/2005-10-open-source/
I'm sure there's a lot omitted and partially inaccurate, but keep in mind the point of this presentation was to introduce Open Source to a lot of Windows users who might not understand the difference between source and binary. And to keep it light-hearted so said users didn't get too bored.
← Ctrl ← Alt
Ctrl → Alt →
← Ctrl ← Alt
Ctrl → Alt →