That's true, but Facebook knows the real names, and that targeting technology could just as easily point to religious / political affiliations and personal expe

That's true, but Facebook knows the real names, and that targeting technology could just as easily point to religious / political affiliations and personal experiences. FBI (via NSL): "Hey FB, show me all the posts from right-wing pro-gun users in within 20 miles of X because we think there's something going on near there". or "Hey FB, show me all the people with pictures taken outside the US with Middle East looking faces/names who are living in South East Michigan".