Yeah, you're right. But I still think there are going to be a lot of people surprised at what they're directly disclosing - I doubt my mum, for instance, who wi

Yeah, you're right. But I still think there are going to be a lot of people surprised at what they're directly disclosing - I doubt my mum, for instance, who will never have adjusted her privacy settings, understands how much people can glean from her profile.