Alternate Title: Carrier Exclusivity Still Sucks. For the purposes of this article, let's assume the reports are correct and Verizon gets the iPhone in "early 2011" (i.e. late January or early February). Several things will happen immediately. First, a death knell will sound for AT&T. Perhaps that's a bit too melodramatic; the company isn't going anywhere just because it's no longer the exclusive carrier of the iPhone, but its subscriber growth for 2011 will shudder to a halt. Many of the "switchers" who ditched Verizon to get an iPhone will switch back. (That's not just my disdain for AT&T's wireless department speaking; Credit Suisse estimates