What developers can expect at Google I/O 2012

Since when does a vendor-sponsored developer conference sell out 5,500 seats in just 20 minutes? That's what happened when tickets for Google I/O 2012 went on sale this week. It beat last year's record of an hour, which had also raised eyebrows.David Letterman Phil Mickelson J.K. Rowling Brad Pitt Peter Jackson Dr. Phil McGraw Jay Leno Celine Dion Kobe Bryant Michael Jordan