I know right. I use my iphone everyday and the TOTAL data usage I have used since 2008, closing in on 4 years is....
Sent: 620MB
Received: 5.8GB
Eh, try again. Reset the statistics and check it in a month. I've had an iPhone since 3G and my data usage says the same thing, down to the MB.
And I know I use at least 1.5GB a month. I recently got a text for just breaking 2GB's. I used to be 5GB's a month but have been since moved into an office and have access to wifi.
I started working out a lot and watching Netflix while on the bike and treadmill. That's what pushed my limit up. I also stream Pandora all day, and in the mornings I stream a local radio show because I don't get FM reception in my office.