Facebook users seem to be rethinking online privacy, with millennials proving to be more wary about giving up their personal information than older users. "Previously there had been a sort of undue trust in the magic of cloud services. People are starting to reconsider that," says Justin Brookman of the Center for Democracy & Technology. Despite years of resistance, Facebook recently changed its default for new posts from “public” to “friends”, and introduced tools to untag yourself in other people’s photos and change old posts from public to friends-only. When did you last check your privacy settings to make sure you are taking advantage of the new protections Facebook offers?