I would disclose who is upvoting/downvoting whose comments. There are cliques on every social news site. Some of those cliques are genuine communities of technology enthusiasts, but others are like little armies of trolls which have been set up by aggresive PR firms and marketing departments of large tech companies. I have never on any social news site seen a system that gives you insight into whether upvoting/downvoting is honest-grassroots or organized by some PR firm for the benefit of some corporate entity.
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I would disclose who is upvoting/downvoting whose comments. There are cliques on every social news site. Some of those cliques are genuine communities of technology enthusiasts, but others are like little armies of trolls which have been set up by aggresive PR firms and marketing departments of large tech companies. I have never on any social news site seen a system that gives you insight into whether upvoting/downvoting is honest-grassroots or organized by some PR firm for the benefit of some corporate entity.