After going on sale at 10:00 AM Pacific Time today, tickets for Apple's Worldwide Developers Conference (WWDC) in San Francisco have already sold out in two minutes. WWDC has sold out increasingly quickly in recent years, and this year in particular saw a massive rush of developers ready to purchase at the launch time due to Apple having announced the on-sale time a day in advance. Previously, Apple had begun sales at the moment it announced details on the annual conference, but with last year's tickets selling out in