Apple reached the milestone only 6 months after hitting 1 billion. The surge is undoubtedly driven by another astronomical number for Apple, the availability of 85,000 apps for iPhone and iPod Touch. The install base of the two devices is estimated at 50 million units across 77 countries.

Apple rung in 2 billion downloads with much less fanfare than the previous benchmark, when it awarded a 13-year old from Connecticut who downloaded the 1 billionth app a $10,000 iTunes gift certificate and some of its pricey hardware.

 

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