The absolutely massive photo database owned (or at least permanent irrevocably licensed access and storage) by Facebook, combined with the metadata people are m

The absolutely massive photo database owned (or at least permanent irrevocably licensed access and storage) by Facebook, combined with the metadata people are more than happy to provide (Tagging their friends bodies & faces) sounds like an absolutely perfect training set for an automated recognition system. You'll even get all sorts of different angles, lighting conditions, age variations, and just about anything else you might want. I'm not usually one for conspiracy theories, but there's something about it that makes me at least a little uneasy.