"Analysis of the unprecedented use of social media on Syria points to important findings on the role of new media in conflict zones. In particular, social media create a dangerous illusion of unmediated information flows. Key curation hubs within networks may now play a gatekeeping role as powerful as that of television producers and newspaper editors. The implications for policymakers driven by responsibility to protect concerns are serious. The pattern in social media toward clustering into insular likeminded communities is unmistakable and has profound implications. We need a more sophisticated understanding of structural bias in social media and the difficult challenges in activist curation. It is not enough to develop methods for authenticating particular videos or vetting specific claims." (Summary)