In the comparison of a laptop equipped with a USB modem, a smartphone generates much less data traffic. But, phones impose a load on the network which is much larger than anticipated, according to a study done by Airvana.
Airvana helps operators transform the mobile experience for users worldwide .. (Networking)
At least that's what the CrackBerry folks who got their hands on the latest Storm OS seem to think anyway. Install at your own risk (unofficial update), but the changes appear to be pretty solid.
Just to be clear again: Update OS 4.7.0.85 is unofficial at this point, so proceed with caution. That .. (Gadgets)