I wish this was a hoax, but it doesn't seem to be.

Criswell predicts that there's going to be a huge hoohah over this as soon as people start to realise this system is now implemented.

If I were a true libertarian anarchist, I would encourage everyone to flag up every one of their friends' public posts in order to render the system unworkable. But as ever I'm just a wimpy liberal and I must shy away from any such act of civil disobedience.