IT ExaminerFalling prices putting pressure on AT&T's iPhone rate plansArs TechnicaAnalyst Shawn Wu spotted a trend among mobile carriers to lower prices in a effort to retain subscribers, which puts further pressure on AT&T to revise its current rate plans for the iPhone.AT&T rivals seen driving down cost of iPhone service Apple InsiderAnalyst: iPhone benefits from carrier rate war CNNMoney.comMacNN - Barron's Blogs - Cult of Mac - Dslreportsall 20 news articles