Last week we heard AT&T might be charging less for iPhone usage. Today, the Wall Street Journal is saying that AT&T should charge more for data hungry iPhones. iPhone users use the web much more than any other smartphone's users (except Android?) and according to comScore, web usage is much more data intensive than other network tasks like email or chatting.
The 3.0 version of the software will only increase usage because of the push notifications.
