Google Voice is a powerful app; the kind that will make you look back and say, "you remember back when people had three telephone numbers, work, home and cell?". AT&T wants to keep the flow of revenue off land lines flowing but consumers will enjoy saving money and time using Google Apps.
Apple and AT&T have had a "good thing going", now it is time for consumers to be able to get great products for less.
"4. Google Voice for Mobile File this one under "outlawed on iPhone," too."
- http://www.pcworld.com/article/181630/verizons_droid_10_apps_to_get_you_started.html (view on Google Sidewiki)