T-Mobile’s data rollover plan is — well, it’s awesome. Quickly, AT&T followed suit with their own limited scheme, but T-Mobile is the champion of data rollover, plain and simple. Verizon is the king of carriers here int he United States, but we shouldn’t look to them to bend to our wants. CFO Fram Shammo recently detailed just how disinterested Verizon was in any kind of data rollover plan. If you read between the lines, Shammo even takes a swipe at T-Mobile in the process.