In the United States, there are a lot of companies that can get you and your phone online, but most people use one of the four biggest: AT&T, Sprint, T-Mobile and Verizon. Choosing between them can be difficult. Your first priority should be what service works best in the places you spend your time. It's not worth saving $10 a month if the service is bad. Once you have that sorted, you can look at what each company has to offer and the prices they charge for it.
Full story from the WindowsCentral blog...