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Re:How do you upvote and acquire karma points at HN? by da5e on Saturday June 19, 2010 @11:26PM (#1445803)
Ah, thanks. So that's the mechanism to upvote. So I guess the karma comes from participation and having comments and/or submissions upvoted?
Re:How do you upvote and acquire karma points at HN? by frossie on Saturday June 19, 2010 @11:53PM (#1445829)
Yes. Each time someone clicks on your little up triangle, whether a comment or a submission, you get +1 karma.

Users with a lot of karma also see "down" triangles and can downvote comments (though not submissions), so try and stay within the guidelines.