How to win a US $10,000 App Store Gift Card ?

Apple 10000 us dollar store gift cardApple app store is reaching  50 billion apps worldwide downloads ,so as a part of the promotion one who downloads the 50 billionth app, and  could win a US $10,000 App Store Gift Card. Or one who downloads one of the first 50 apps after that and you could win a US $500 App Store Gift Card.You never know who could be the lucky one who downloads the 50 billionth app. For more details its here .