New York City promised subway cell phone coverage five years ago, and Transit Wireless took up the $46 million banner in 2007 -- now, three years and a friendly British jab later, at least two major carriers are convinced it's actually going to happen. Bloomberg reports that T-Mobile and AT&T have both signed ten-year agreements to let their customers access Transit's subterranean wireless network, which should cover 277 NYC stations in the ye
