Finding out there is an anti-vaxxer in my FB friends' list. This is a bit disturbing, if not entirely surprising in this particular case.
Also there is somebody who seems to believe that the CIA and NASA run a world-wide conspiracy of disinformation. Apparently the lunar landing never happened and all the space news we get from NASA are made up, to take our attentions from .... er, not sure about this bit, I really can't get my head round the rationalisation involved in his thinking. Takes all sorts, I s'pose.