Did you seriously expect anything else?
(Do you use FB, Twitter, Google, Bing or any other website? Then I have news for you!
)
I dont care if they harvest data. I love it when I get automatic suggestions for things I am looking for.
But I dont see any need for the 3D-thingy.
I see some stepbacks currently. Wasn't it Sony Playstation or Xbox that is (optionally) delivered without camera now? Also the new console games are not using the person recognition technology any more (only those stupid dancing-games are)?