Apple has sold 928 million programs to mobile users and plans to celebrate its billionth App Store download by awarding a random customer a huge haul of merchandise, CNET reports. The lucky customer will walk away with a MacBook Pro, a 32GB iPod Touch, and a $10,000 iTunes gift certificate. Which of the 30,000 apps available propelled Apple to these heights? The Facebook app tops the free column, while the most customers paid for Crash Bandicoot Nitro Kart 3D. (More Apple stories.)