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A couple questions:

1. Why not assign karma by running something like pagerank over the vote graph? I think giving overwhelming weight to high karma old-timers would make HN more like them, which would be an improvement, right?

2. What about assigning karma not by your comments, but by the responses to them?

I figure karma-from-replies would shift the conversation to "what should we be asking about this", whereas karma-from-comments incents "what can i say that the masses will like".

Given commenting has a higher work threshold than voting, it might be "manipulated" less. Gaming it would be more obvious. And subjectively, posts that are questions seem to lead to higher quality discussion (more genuine?). Maybe you'd have to put more work into getting users to not feed trolls and assholes, and ask/reply more to excellent comments. Not sure if practical...

Would love to hear anyone's thoughts on this.

(2) probably would not work. Commenters could troll, and then the community replying in disagreement would up-vote their comment.

Here are my ideas: (A)Not showing someone their karma score ever, unless it is negative.

(B)Leaving a line between the comment field and the reply button saying, "Stay constructive."

(C)That line of text could link to the guidelines.

(D)Detect if someone says 'idiot' and then change the line to, "You said 'idiot', do you still want to post?"

(D)Detect if someone says 'idiot' and then change the line to, "You said 'idiot', do you still want to post?"

I like this idea. In particular, I like the idea of analyzing content - but not programatically rejecting the post completely. Another forum that I frequent tries to keep things civil by banning certain words. Sounds good on paper, but then you try to use the phrase "knee-jerk reaction" and the system rejects your post because it has "jerk" in it. D'oh.

Pointing out the possible (but not definite) incivility, but allowing the post anyway (after a confirmation step) could be a nice way to remind people to be polite, but without being overly draconian.

I actually quite like those suggestions. Subtle but I could see them working well.

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