Were you riding one of AT&T's unlimited data deals until recently? If so, this whole new Verizon iPhone thing is about to work in your favor, as the Associated Press is reporting AT&T iPhone users are being offered a sort of unlimited data amnesty: if they had it before, but switched to a limited data plan since, they can now have it back. This is clearly in response to Verizon's promised $30 uncapped deal, though it remains entirely unofficial and unannounced -- no reason why AT&T would want to advertise its desperation, after all. When ask