When T-Mobile threw the switch on its first LTE markets back in March, the company promised to cover 100 million people by mid year. Four months on, there are 157 million potential customers with access to the un-carrier's still fledgling 4G LTE network. With true 4G now launched in 116 metro areas the expansion is actually ahead of schedule, and could match its HSPA+ footprint within a year. By the end of 2013, Big Magenta plans to cover 200 markets, encompassing 200 million people -- which actually seems quite conservati
