I'm gone if I visit your site. Or, if I'm not, I've polluted your user database with one of my throw-away Facebook accounts just so I could see what was behind

I'm gone if I visit your site. Or, if I'm not, I've polluted your user database with one of my throw-away Facebook accounts just so I could see what was behind that search result that caught my eye. userid, password. What part of that do you not understand?