Majority of these mini PC's used in conference or meeting rooms, as an easy way to hook up PC with TV. However, next month when Apple announce to open Apple TV as an development platform, there will be an interesting convergence of mini Pc's and tv boxes. Which will probably lead to long rumored Apple TV box.

You don't know what this Chrome box do because Google doesn't know either. Companies threw hardware and see what developers can do, and see where it evolves.