Apple entered into an agreement with AT&T so that AT&T is the official and exclusive provider of cell phone service for Apple's highly coveted iPhone. If you happen to be Apple or AT&T this is a great thing. Apple makes money off of the sale of every iPhone and it collects royalties from AT&T for every cell phone contract sold to an iPhone user. Not a bad deal for Apple. AT&T profits because in theory every Apple iPhone sold will have to activate an AT&T cell phone agreement. Nice piece of the cell phone service pie for AT&T. As far as these two companies go, there is a lot of money to ...