AT&T finally joins modern wireless world, kills off contracts

T-Mobile drove the first nail into the coffin of the two-year, subsidized wireless phone contract nearly three years ago, and AT&T is about to seal the lid shut. As of Friday, Jan. 8, the carrier will no longer sell phones at steeply discounted prices in return for two-year commitments.None of the U.S. "big four" carriers force customers to sign contracts, and despite the sticker shock that can come along with paying upwards of $600 for top-of-the-line phones, consumers are much better off t