Technology has changed dramatically in the last decade, but perhaps nowhere more than with cellular phone technology. From being a device for dialing numbers cellphones have evolved to where they're a portable entertainment and media device, with music players, Web access, and even the ability to play videos and television content. Some companies are pushing this set of capabilities further, and I was intriguied when Cellfire sent me a Sony-Ericsson phone with its coupon system...

Continue reading about Review: Cellfire Cellphone Couponing System