Cloud OS by Microsoft the Secret Sauce to Consistent User Experience
The following comes from a patent application:
The engineers try to explain how Natural User Interfaces are now being used to interact with the television (Xbox Kinect), touch phones and tablets. These screens have different user interaction experiences and so does the desktop. Microsoft hopes to have all your devices connected to a cloud server farm. This server farm will push out gesture profiles based on the device you are using (or something like that).