AT&T, the supermassive telecom and largest wireless carrier in the US, is affectionately known by Giz readers as the Death Star. Why? Its reach is Empire-worthy and well, just look at that damn logo. 2007 was an appropriately big year that started off with a double-barrelled blast: AT&T snagged exclusive rights to the iPhone in the States and killed off the Cingular brand. But was it strong with the Force for the rest of the year?