I have used my Facebook account and Gmail account to access dozens of sites. How can I find out on which sites I've used these authentication methods?
Possible Duplicate: How does one log into Facebook using Linked Accounts? I am trying to use my Google account as my authentication source for all the websites that will allow me to because ...
Possible Duplicate: How does one log into Facebook using Linked Accounts? I set my facebook link account to be my google account, and thus I expect that I will be auto-login to facebook ...