Why you can't take your unlocked iPhone 4S to another U.S. carrier

Why you can't take your unlocked iPhone 4S to another U.S. carrier

via CNET News - Mobile by Marguerite Reardon on 8/17/12

In this edition of Ask Maggie, CNET's Marguerite Reardon explains how wireless operators have manipulated the market to ensure you can't take your iPhone 4S to any other U.S. carrier you want.