If you own an Amazon Fire TV, you may be in for a big surprise from your Internet provider. A bug in Amazons new set-top box — it allows you to use your TV to stream Netflix, play games and, of course, easily buy movies and TV shows from Amazon — may be sucking data on your home network, even when youre not watching anything. This could put some owners at risk of blowing through monthly Internet data limits. Thats what happened to Tyler Hayes, a freelance writer based in Southern California. When he started using Fire TV, his monthly