Between this and finally allowing VoIP over 3G, AT&T is making a play to become the leading wireless mobile data provider. The mobile companies may hate it, as this means they'll be losing their cash cow of restrictive wireless calling plans, but wireless data is the future of the mobile phone industry. The iPhone's ability to download Google maps or keep my email current from anywhere there's a signal is as valuable to me as it's ability to make a phone call, and the mobile phone company that gives people the wireless data pipe they want/need with as few restrictions as possible will be the leader in the mobile industry for years to come.