After several years as the exclusive carrier of the iPhone, AT&T is finally seeing some competition from Verizon and potentially Sprint. In its latest network television advertisement, AT&T uses a family-oriented theme to point out one major advantage the GSM carrier has over its CDMA competitors - the ability to make a phone call and use data at the same time.
It's widely known that the current implementation of Verizon's and Sprint's CDMA network prevents users from using data while on a phone call. If you're on the phone and want to look up a web page, you have to end your phone call before you can pull down the
