AT&T monitors its network from its operations center
Slim and sleek as it is, the iPhone is really the Hummer of cellphones.
It’s a data guzzler. Owners use them like minicomputers, which they are, and use them a lot. Not only do iPhone owners download applications, stream music and videos and browse the Web at higher rates than the average smartphone user, but the average iPhone owner can also use 10 times the network capacity used by the average smartphone user.