Here's a blast from the past. As Xcode continues to improve as the default IDE on the Mac and for the iPhone, the majority of Apple's current developers don't even how CodeWarrior saved Apple. With the release of the iPhone SDK, I think it's not far fetched to imagine Apple's WWDC attendance tripling. Someone sent me this graphic from an old Metrowerks t-shirt. If you have this shirt, you fully qualify as an old timer.