If you own an Android, iPhone, or other smartphone, you may be unwittingly giving away the location to where your favorite hangout spots are, where your kids play, even your home address.  If you have a GPS enabled smartphone to take your pictures and upload them to Twitter or Facebook, your photos can be geotagged which can help others figure out exactly where the photo was taken.
You can disable photo geotagging for the iPhone, Android, Palm or other SmartPhone by locating and following the instructions for your specific phone here:
http://icanstalku.com/how.php