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If you have more than a small handful friends on Facebook, you’ve likely seen some variety of a legal notice in status updates over the weekend. The basic idea of it is that because Facebook is now a publicly-traded entity, the service owns your data and can use it however it wants. But if you share a certain fancily worded status update, the contents of your profile will be “private and legally privileged and confidential information.” A violation of your personal privacy is punishable by law. You’re on notice, Facebook!