> I fear it's much more insidious than that. Facebook has a tendency to start doing some invasive stuff and then announce it to the world only 5 years later. >

> I fear it's much more insidious than that. Facebook has a tendency to start doing some invasive stuff and then announce it to the world only 5 years later. > They probably plan to use your facial profile for a number of things, none of which have to do with authenticating you to the Facebook website. I even see them sharing the profiles with the DHS to build more accurate facial recognition at airports, and other stuff like that. But of course they wouldn't admit it now, because it would mean everyone refusing to use it from day one. This validates my little project of uploading a ton of stock photos to my Facebook account and tagging myself in them.