I just heard about a site that can possibly save you money on your cell phone bill in seconds. The site is called BillShrink. What you do is type in your cell phone number, wait a few seconds, and then BillShrink will display plans that can save you money, according to an analysis of your previous usage.
BillShrink can also be used for finding best rates on credit cardsfinding the lowest Gas prices. It's a free service..so you may want to check it out!