You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract How AT&T Should Handle the Online iPhone Price Backlash Existing Customers Want Latest Model at Lower Price, Sparking Sniping on Twitter By Rita Chang, Published on June 10, 2009 26 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.