Here are a couple of awesome videos of Bill Gates and Steve Ballmer talking about the beginnings of Microsoft and some of their philosophies. These videos were from the latest D: All Things Digital conference.
Steve Ballmer reminisces on Bill Gates Recruiting Him
Steve and Bill Explaining Their Interest in Competing with Google
Probably the best quote I've heard from Bill Gates, "Guys like us avoid Monopolies (tounge in cheek), avoid them because we compete." (alluding to the recent play for Yahoo to compete against the seeming monopoly of Google)"
