Verizon, AT&T, Sprint and T-Mobile aim to make the most of holiday promotions

Holiday wireless promotionFor U.S. wireless operators, the year-end holiday season traditionally brings with it loads of new subscribers. So, it is not surprising that the fourth quarter is when the Tier 1 operators really dish out the cash for advertising.

According to historical data from research firm Nielsen, Verizon Wireless (NYSE:VZ) and AT&T Mobility (NYSE:T) have consistently spent more on marketing in the fourth quarter than Sprint (NYSE:S) and T-Mobile US (NYSE:TMUS), which makes sense, given disparities between the sizes of the companies' subscriber bases and revenues. In this hotly competitive season, what exactly will each of the nation's Tier 1 carriers focus on in their holiday advertising campaigns? 

FierceWireless spoke with marketing executives from each of the top carriers to find out in this special report.