On the Stand With Comet events page: https://www.facebook.com/events/1142895149161513/

I noticed someone posting multiple times and also supporting the nearby bookshop. To the untrained eye, it looks like he is just sharing one of the books he has found innocently but if you notice the emoticon reactions, some people are laughing... That's because they think people are stupid.

http://imgur.com/a/nk2NA

Let me show you why exactly this man is saying to those "in the know" https://vid.me/AuhC