“On November 24, the FCC is mandating that consumers be allowed the option to retain their phone numbers when switching service providers. For anybody who’s stuck with one carrier solely because they wanted to hang on to their number, this is a big deal–the chains have come off. But unfortunately, you can’t simply take your number and run. There are a lot of unanswered questions and potential pitfalls ahead. So before making the switch, arm yourself with the facts, and be wary of hidden costs.” —CNET