Billions and Billions Served
At current trajectory, Apple will surpass 3.2 billion downloads from the App Store by year end 2009. And this is without factoring in increased usage and a higher sales trajectory from the iPhone 3GS and new $99 pricing for the iPhone 3G.

iPhone apps growth
Upon seeing this chart, one client – an Apple competitor – was ready to bet the App Store would hit 4 billion downloads by year end. By next year, we joked, they may stop reporting cumulative totals altogether and move to the McDonald’s approach: “Billions and Billions Served.”

[...] which application storefront has “Billions and Billions served” and which one has so far been less than forthcoming with performance [...]