Well if Publix knows that depends on whether you use cash or card at sexy shops ;-) As for the rest, that just depends on how much you share, and I would argue

Well if Publix knows that depends on whether you use cash or card at sexy shops ;-) As for the rest, that just depends on how much you share, and I would argue that other companies (like Google) might know even more than Facebook does. I've also created Facebook campaigns for clients and there was no way to target cheating husbands, just very broad interests.