Two million subscribers is a lot for any niche service. Up until now, that's exactly what mobile TV has been in the U.S. Its niche status seems almost certain to change, however, given the amount of buzz it's had recently.

Still, MobiTV's ability to sign up that many customers proves that at least some people want to watch TV on their cell phones. That two million number is double what they had just one year ago, when they crossed the one-million mark back in April 2006.

MobiTV reaches 2 million customer mark [RCR Wireless News]