How many degrees of separation are they allowed? Your face book page links to the eff = rejected? A friend of yours links to eff, a friend of a friend ^ 6 links

How many degrees of separation are they allowed? Your face book page links to the eff = rejected? A friend of yours links to eff, a friend of a friend ^ 6 links to eff? Also AFAIK you don't put a social security number on facebook. Do they just look up John Doe, assume thats you and base their decision on that person?