This is a shame. In cyberspace, the word "privacy" is pretty much an archaic word! If you've ever booted up a computer, and given your name (for any reason), you are probably accessible on the internet! And, don't forget, depending on your friends' defaults and settings, you can find information about and get access to people who "think" they are "hiding"!
http://finance.yahoo.com/news/when-the-most-personal-secrets-get-outed-on-facebook.html