We suspected T-Mobile's new advertising campaign would ruffle some feathers, but we weren't ready for quite such brazen trash-talking right off the bat. Of course, it's trash talk dressed up in a pretty white and Magenta dress and delivered in the most angelic of voices, but T-Mobile makes its point to AT&T subscribers loud and clear: we got 4G, you don't. Whether you consider the network's current 21Mbps theoretical max a true representation of 4G or not, we'll leave up to you; just make sure to join us past the break for the