We have just seen quarterly earnings reports from AT&T and Verizon, and they continue to grow at a healthy pace. Sprint and T-Mobile also have started to grow once again. However, the larger wireless marketplace is splitting into smaller segments. Understanding this is one of many keys to success for any wireless carrier going forward. The larger wireless marketplace is changing. Different players are winning different slices of the pie. Advertising and marketing will have to change to help each company win its own slice of the pie.