If you had any doubt of the success of Apple‘s App Store, the fact that one billion apps have been downloaded in nine months should be enough to change your opinion. At 1:52 pm today, the App Store officially sold its 1,000,000,000th app for the iPhone and iPod touch platforms. As exciting as that is, we have the iPhone 3.0 SDK currently in beta, which will allow apps with new capabilities that aren’t yet available. Exciting times.