The iPhone will still be an important part of AT&T's life for "quite some time," company chief Randall Stephenson said today at a Morgan Stanley technology conference today. When prompted about rumors of exclusivity ending, the CEO stopped short of explaining the deal but did say that Apple's phone was both an important part of the company's recent experience and that he didn't expect this to change anytime soon. Stephenson underscored the value of the phone by arguing that it has defined mobile broadband by being easy to use and claimed other devices are "piggyback
