I have now emailed them. I was under the impression that dang had set up an automated system which notified him of his mentions.

They technically do not work, but I have used it successfully before, some people are attentive enough. :D

@pjmlp! :P (He may not notice this one because the whole thread is hidden.)

I did assume the same thing that the other commenter has said, that dang may have set up something that would notify him if someone said "@dang".