Commenting threads: good, bad, or not at all - important by +Bora Zivkovic at +Scientific American

Instead of “silent” participation leading gradually to more active participation as one becomes more comfortable with the site, it seems the opposite is happening: mildly active users are now becoming silent users as it is easier to click “Share on Facebook” than to post a brief comment.

But there is another problem here – most of the good, nice, constructive commenters may have gone silent and taken their discussions of your blog elsewhere, but the remaining few commenters are essentially trolls.

The question every blogger in this situation has to ask is – what to do next?
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