One of the keys to the success of the iOS App Store (iPhone / iPad / iPod Touch) is the seamless nature of billing. Until now the lack of convenient billing has held back the Android Marketplace. AT&T has just announced that like T-Mobile they will be offering a soluton to this problem:
The Android Market has long been a source of frustration for Android users - it seems so much simpler to find and buy apps for the iPhone. With that in mind, a number of improvements have been announced recently by Android in order to help make both finding and purchasing apps easier.
Add to that list now, AT&T Direct Carrier Billing for those Android folks (obviously) on the AT&T network. This means apps you purchase can be billed to your phone bill, instead of your having to pull out a credit card.
Read more at ReadWrite Web, including info from Android's Developer Ecosystem Chief.