Hey, naive Nancy and gullible Greg, stop posting copyright notices on Facebook that use fancy schmancy terms like communiqué, Berner Convention and action. You may think you're erecting an invisible wall of copyright protection around your profile castle, but you're really just making yourself look like a social media jester.
College Humor offers a handy breakdown of Facebook law by explaining what you're really proclaiming. Watch and learn a handy lesson on the legal binding of crap you post in your newsfeed.
BONUS: 10 Facebook Tips for Power Users