<http://schema.org/description>
"Commenting on a blog is an artform.  One could argue that the time and effort that goes into making a well-informed comment or starting a whole new discussion based off of a post is ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2012/05/24/disqus-adds-new-features-to-upcoming-release-including-share-a-comment-thread/>