Aside from certain niche blogging, like blogs about blogging, politics or entertainment, meaningful comment exchange on blog posts is negligible. (lawyerist.com)
As I realized in a very heated comment exchange a couple of weeks ago, the climate community does not engage. (climate-resistance.org)
Our differences emerged two years ago in comment exchanges (scan them here) on a David Roberts post at Grist on «The Virtues of Being Unreasonable on Keystone» (the pipeline that would bring Canadian tar sands oil to American refineries). (dotearth.blogs.nytimes.com)