Back when this first came out I pondered whether I could use it as a replacement for the comment section on technical docs. E.g. rather than putting a Disqus on

Back when this first came out I pondered whether I could use it as a replacement for the comment section on technical docs. E.g. rather than putting a Disqus on the bottom of your doc, create a Discussion, and put a link to the Discussion at the bottom of your doc instructing readers to leave comments there.