Never Trust Facebook
Facebook has value, but no matter what your privacy settings are set to, no matter what you delete, always assume that anything you write or do on Facebook - in any context - will be embarrassingly public.  1) Because it will and 2) because it just makes life easier.<p>When my wife and I were first dating, for religious and cultural reasons her parents didn't know.  Her parents are conservative Muslims and mine conservative Christians.  She had a picture of the two of us as her profile picture, and it was set to private (that existed once).  More importantly in the picture she wasn't wearing the hijab (the head scarf).<p>One day Facebook removed the ability to have private profile pictures - automatically converting every profile picture to public.  Her sister saw the picture and long story short that was the last time she talked to her parents.  That was 2+ years ago.  Facebook can't be blamed for the cultural and relationship issues at play here, but they can be blamed for how they went about this.  And we can be blamed for trusting them.<p>I still use facebook.  I don't blame them for trying new things, pushing the boundaries, etc.  I have however learned that no matter what that data isn't mine.  It's facebooks.  And whenever facebook decides to innovate they will do whatever they want with their data to try doing it.