Intel's set-top box is actually a game console too
It contains Hillcrest Labs's motion control technologies. Search some of the videos on youtube to see what I mean. I would be surprised if there isn't already some free games that come with the set-top box and controller. The games should be similar in style to the Nintendo Wii's games.
The infamous camera (that spies on us) is really to enable Intel's Perceptual computing platform
This platform further enable games similar to what we would find on the MS Xbox.
The Hillcrest Lab's technology and Intel's perceptual platform make up the two main ways that humans interact with the TV.
I think Intel's Live TV service may be their strategy for getting their hardware into the living room. Read the following article
If hw makers (such as RoKu or Vudu or Tivo) start to work with software developer and game developers, we could see a new breed of set-top box that use Intel inside.