Roku is a box that you can use with wifi to stream to your television. It is set up with channels, some free and some subscription like Hulu, Netflix and Amazon. It even has Pandora for music and a station with old silent movies. Gaming systems will do the same thing. We bought the roku because all the kids could watch in their rooms with Xbox, Wii and PS3, but we had nothing in our room. Unfortunately DH won't get rid of cable because of the programs he watches, but the kids watch Netflix more than cable. They tend to watch a whole series at a time.