This is one of those things that has been mentioned, used and worn out so much that you feel much cooler when you don't acknowledge it.
You come to HN to be cool!?
Where do you go to be cool?
No, it's just that not mentioning it is has a cool factor of 0, neither cool nor uncool, and mentioning it has a cool factor of around negative infinity.
Funny, I was hoping for NumberWang, or at least the German version...