Semi-related: a video of Linus giving a talk on Git at Google <a href="http://www.youtube.com/watch?v=4XpnKHJAok8" rel="nofollow">http://www.youtube.com/watch?v=4XpnKHJAok8</a><p>Watch for the bit where he goes:<p>"What are you guys using?<p><i>pause</i><p>Perforce?<p><i>longer pause</i><p>I'm ... sorry."