it's only on one carrier now, because this is apple's first foray into the wireless world. but the repercussions are already being felt. after its initial suc

it's only on one carrier now, because this is apple's first foray into the wireless world. but the repercussions are already being felt. after its initial success in the u.s., all the carriers in europe fell all over themselves trying to get the iphone. when at&t's exclusive deal is up in five years, it will be a very different ballgame.