And more:
Apple's iPhones and Google's Androids Send Cellphone Location - WSJ.com
Also, for those of you that do not know, Android phones are locked when you buy them. They're not only locked to prevent you from switching cell providers, they're locked to prevent you from UNINSTALLING software that you don't want.
Additionally, there are updates done by the carriers that will push down software to the phone and install it, and make it unremoveable, without your explicit permission. Your permission already being granted as a function of the software license and the user agreement for the phone.
Fun stuff huh?