Rant Detection? You mean it checks if it was a thread on Hacker News and if it was, it flags the story as a Rant? :-) Actually pretty cool. I wish I had this

Rant Detection? You mean it checks if it was a thread on Hacker News and if it was, it flags the story as a Rant? :-) Actually pretty cool. I wish I had this for tech stuff too. Any clue when they are adding that?