reddit and hackernews both use human moderation, as did slashdot, as and I mentioned it in my comment. Human metadata generation (this comment is good, funny,

reddit and hackernews both use human moderation, as did slashdot, as and I mentioned it in my comment. Human metadata generation (this comment is good, funny, wrong, sad, incomplete etc) is a great first step in turning a sewer into a watertower.