Please don't post any sensitive information to your profile that you don't want other people to see. If you don't want people to know your last name, birthday or your AIM, etc., leave it blank. People who are not registered for the site cannot see your profiles at all. However, people who ARE registered for the site CAN see: YOUR REAL NAME, YOUR BIRTHDAY, YOUR WEBSITE etc. You can edit your profile information by clicking on the "My Profile" link to the right of your avatar. To change your name, username, and password, select "Edit Your Details" from the menu on the left. To edit information like your birthday, AIM, personal website, etc. select "My Profile Info" from the menu on the left.