The old mantra of "Think Different" used to mean one thing. However, it now means something very different in certain venues. I've noticed this trend growing steadily as I attend conferences, but I don't think I've heard it as pronounced (at a non-apple specific meeting) as it was at this:
By our best estimates, over 90% of the 550 people at RailsConf 2006 are using Apple laptops.
We decided to reward those willing to take a stand against the norm and compute different.