When users had unlimited data there was no reason to be concerned with how or where that data was being consumed. Since AT&T dropped unlimited data in favor of tiered data caps, though, users have struggled to understand data usage, and now AT&T is faced with a law suit accusing it of systematically overcharging customers.
Cell Phones - News, Features, and Slideshows
WARNING: Overclocking is not for the faint of heart. Do not attempt to hack your phone unless you understand and accept the risks of turning it into a useless "brick."