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Re:How I ended up with so much Hacker News karma by mhurron on Monday December 03, 2012 @09:44AM (#4865552)
> But after you hit like 1000 karma...you just don't care anymore.

Why did you care in the first place?

Re:How I ended up with so much Hacker News karma by spindritf on Monday December 03, 2012 @11:39AM (#4866215)
With very few points you don't have certain privileges on the site (downvoting, reporting) and you can get hellbanned for an unpopular comment.
Re:How I ended up with so much Hacker News karma by Retric on Monday December 03, 2012 @11:43AM (#4866242)
The ability to down vote and change the title bar are lined to karma.
Re:How I ended up with so much Hacker News karma by polyfractal on Tuesday December 04, 2012 @11:15AM (#4871574)
Besides the tangible benefits others have mentioned, I think everyone falls prey to the desire to be "well liked". Karma means you wrote something other people liked or appreciated, so it is gratifying to watch your karma go up (because that means people like what you are saying).

Silly I know, but I also recognize that it is what made me try to write good comments when I first joined HN. Which is exactly what karma should do - make you try to be a better poster.