Jeff Gelles: Who's the fastest wireless carrier? Test says Verizon

How fast is your wireless network? Does it deliver the performance you expect? At home with a fast broadband link, consumers find choppy video or long waits for Web pages mostly things of the past. But data-on-the-go is another matter. And as cellphones rapidly give way to smartphones, iPads, and other mobile mini-computers, consumers are learning that service, especially for data, can be spotty.