Therese's comment: CurateThis is a Wordpress curation PlugIn by Curation Traffic. It allows "longform curation" (i.e. extracting pretty much the entire content and pasting it into one's blog) -- which looks pretty scary ... The perfect tool for stealing content !
The separation between curated content and comment could be blurred. On the positive side, it provides a separate content attribution and picture attribution feature which is good... at least if people do it.