I can attest that it is very easy to identify who is gay on Facebook, even if their profile does not say so. If you have a lot of gay friends, then Facebook tel

I can attest that it is very easy to identify who is gay on Facebook, even if their profile does not say so. If you have a lot of gay friends, then Facebook tells you how many mutual friends you have with new people. If you know the mutual friends are gay, then it is likely that the unknown person is also gay. Very easy, so I'm not surprised.