>Kinect is also used for lots of little things throughout the Xbox One's user experience. Profiles support fast facial recognition for sign-in. Once a profile has a face associated with it, the console will sign that person in whenever they sit in front of the console — it even says hello. Controllers sync automatically based on who's holding them.
Not to mention that Microsoft has been working on techniques for reading the emotions of people in the room through body language in order to better serve up adds.
By having this in your living room, you have a device that passively builds facial profiles, monitors emotional states, and counts the number of people in the room. But people are paying to be spied on by Microsoft so that makes it OK, right? Even when the NSA goes to Micrsoft and says "give us access to your data".
But privacy doesn't play the latest Killzone or log you in with facial recognition or play blu-rays.
There's too many people in the valley that complain about surveillance and then do everything in their power to enable it in ways ever more omnipresent and pervasive.