Now 2009 has come to to a close, we wrap up the year in iPhone by the numbers.In 2008, the iPhone grew up, evolving from its status as the "it device" of the moment into a burgeoning ecosphere. In 2009, that "it" device went thermonuclear. The iPhone software turned 3.0, the barrier of entry dropped to $99, and the App Store hit 100,000 applications and an astounding two billion downloads. With all of that, it's hard to believe that Apple's iconic cell phone is still weeks shy of the third anniversary of its unveiling.