At Apple's keynote at Worldwide Developers Conference today, CEO Tim Cook took the stage to announce some milestones for Apple's App Store as well as their retail store, noting that Apple has now paid developers over $10 billion. Cook mentioned that the momentum of the App Store is "incredible," with $5 billion being paid out in the past year. Cook also highlighted that the figure was "three times more than all other platforms combined." Cook also announced that the App Store has 575 million store accounts, saying that Apple thinks it has more accounts with credit cards than anyone else on the Internet. Those accounts have downloaded 50 billion apps, with 900,000 apps and 93% of those apps downloaded each month. In addition to their digital stores, Cook said that Apple's retail stores have also s