She probably got a phone call at home from a Manager or V.P of Something or Other, politely "informing" her of the "Social Media" policy. The rest of the conversation is conjecture, but the stuff is gone. The F/A Chiefs troll Facebook looking for their staff to post, do or admit to prohibited behavior.
The Borg is large with long tentacles or testicles, I can never remember which, it could be both, in Anita's case.....