What could be worse than a surprise overage fee? For some people it's having their wireless carrier put the brakes on their data service.
In this edition of Ask Maggie, one reader wants to know whether it's worth keeping his AT&T unlimited data plan after AT&T has warned him that his service will be slowed down because he's in the top 5 percent of data users. Ask Maggie also offers advice on whether to buy the lower priced iPhone 4 or the newer iPhone 4S.
Is AT&T giving me a hint … Read more