If you are confused by anything, please browse the ample documentation nesting under the HELP menu. If you want to POST something constructive, you can do this from under the BLOG or EVENT menu items. If you have a problem with your data being shared on the internet, it's very easy to fix, please just REMOVE your account (Profile->Settings->Delete Account). Thank you.
If you have a special problem of any other kind, please contact the admins.