This June, while engineers in the Gulf were trying to stop the destructive flow of oil from BP’s well, SocialSphere was tracking the spread of a different kind of substance – information. We analyzed over 240,000 relevant news articles, blog posts, Tweets, Facebook updates and other social media mentions during the month of June, focusing on comment volume and linking patterns of eight of the most influential sources of both old and new media. With the help of Harvard Berkman Center fellow Miriam Meckel and talented designer Tiffany Farrant, we put together this infographic summarizing our key findings.