What does de rules mean?
The rules for the Tour de France are simple. But if you are a racer you have to follow every rule. The rules are there for the safety and the protection of the racers. I suggest for an answer better than mine go to http://www.google.com/ and type in..................... Rules for the Tour de France.
Depends what you mean by "act towards" threats. Do you mean losing ones account? Or something else? Facebooks has rules and regulations. Failure to abide by these rules can mean your account is terminated. Someone can break rules on FB, but if they aren't aware of it, nothing will happen. Check out their Statement of Rights and Responsibilities.