In AT&T’s 4th quarter results, they have announced that 1.9 million iPhone 3Gs were activated. About 40% of these activations were new customers, indicating that about 760,000 people switched to AT&T just because of the iPhone. In the last half of 2008, AT&T activated about 4.3 million iPhones. iPhone customers also deliver the highest revenue per user for the telecommunications company.