A 17-year-old boy in New Jersey has figured out how to make his iPhone work on carriers other than AT&T. Some people might consider that just plain naughty. The hope here is that, while the suits at AT&T freak out, Steve Jobs is geeking out. Woz would be stoked, right?

George Hotz said he had unlocked the system and was using it on T-Mobile's network, the only other major U.S. carrier compatible with the iPhone's cellular technology. Hotz described the hack in his blog - a complicated process requiring skill with both software and soldering, and about two hours of time.

Switching from AT&T to T-Mobile may not be a big deal tor U.S. consumers, but the hack could open up the iPhone for use on networks of overseas carriers. Can we now expect a cottage industry in which U.S. iPhones are liberated and sold abroad? "That's exactly, like, what I don't want," Hotz said. "I don't want people making money off this."