You have to have your Kinect plugged in for the Xbox One to function, Microsoft announced at an event today in London. This may sound familiar.
That's because we learned about it back in February, along with the system's specs and the fact that Xbox One will require game installations.
So clear out your shelf. You'll need extra space for Microsoft's motion-controlled accessory, which seems to be an integral part of Xbox One and will ship with every unit.