This article over a TechCrunch is putatively about the iPhone, but the take-away for me is that AT&T’s data traffic has grown 50-fold over the last 3 years:

(Slide is by Mary Meeker of Morgan Stanley)

It’s easy to complain about AT&T’s network, etc, because people like to bitch. But I am not aware of any data service that has ever scaled up that quickly.

And one wonders what Verizon’s aggregate data traffic looks like. I imagine it’s a fraction of AT&T’s, because Verizon just doesn’t carry handsets with the popularity and capability of the iPhone. It’s considered conventional wisdom that Verizon’s network is better, when in fact, it’s untested.