How Comcast wants to meter the Internet

NEW YORK (AP) -- Three years after Comcast began offering unlimited home-Internet usage, the cable giant is moving in the opposite direction. In more parts of the U.S., it's starting to charge heavy data users extra. The reason? Too many of its customers are dropping cable and doing their TV-watching over the Internet instead, a trend that threatens to cost Comcast money. To recoup some of those dollars, Comcast is experimenting with caps on how much data you can use. Go over the limit and you'l...