Im a subscriber ot Allyou magazine.Its always informative.Anyways I found some great tips for all of us to use.
Like Facebook Safety on facebook.
If you don't want any searches coming up with your name on Google....
Disable Public Search..in Apps/Websites
Under Private Settings...click Connecting on Facbook...click View settings....you can also control friend requests..who can see your friends list..
If you have friends that sign up for apps/games and you dont want the apps to extract your data(yes this is true and does happen!)....
Under Apps/Websites..click Edit Your settings....Info Accessible through your friends.