Stacking up the Q1 numbers for T-Mobile, Sprint, AT&T, Verizon

How did the nation's top wireless carriers stack up against each other in terms of metrics? According to Jackdaw Research analyst Jan Dawson, T-Mobile US dominated postpaid phone growth when it came to net additions. But smartphones aren't where the growth is for wireless. Why are postpaid tablets and connected device sales on the rise? Take a look at the numbers, and Dawson's analysis, in this FierceWireless special report.