Today, Apple officially unveiled the App Store, the exclusive vendor of licensed software for the iPhone, iPhone 3G, and iPod touch. Though we briefly discuss the iTunes version of the App Store in our Instant Expert: Secrets of iTunes 7.7 feature, this update runs through how the App Store works with both iTunes 7.7 and directly from the iPhone. On iPhones and iPod touch, the App Store is a home screen icon that looks like a ringed arrow pointing…
