A friend of mine is a police officer and regularly posts on Facebook about the events he's policing. By your logic, if someone used that information to track hi

A friend of mine is a police officer and regularly posts on Facebook about the events he's policing. By your logic, if someone used that information to track him down and attack him he's the one breaking the law? Incidentally if he posted about a riot in our city (thankfully pretty much unheard of) he'd be carrying out exactly the same function as this app!