I've talked quite a bit before about the growing "second screen" phenomenon, where iPads and other mobile devices are used as a second screen while either working on another computer or watching television. And with the biggest event on television yesterday, there was likely a lot of "second screen" viewing going around. ZDNet's James Kendrick says his was one of three iPads around the coffee table at his Super Bowl party, and with tens of thousands of tweets per second going out during the most interesting parts of the game, Kendrick's experience was undoubtedly not unique. Car m
