3 ms·No. For third-party app logins I use a friendless FB account under a pseudonym.by snerbles 9y agoNo. For third-party app logins I use a friendless FB account under a pseudonym.imron 9y agoFB still knows it's you.snerbles 9y agoSure, that's the cost of doing anything with FB. A pseudonym is used to avoid nosy third parties, not Facebook itself. Less pressure to expose one's self to the psychological pathogen that is the Facebook Timeline.