“Mapping the Blogosphere: Offering a Guide to Journalism’s Future”
– John Kelly
As a visual demonstration of how ideas move through social networks, Morningside Analytics created a user-friendly online tool called the “Political Video Barometer.” The barometer features an interactive graph showing recent YouTube videos popular with liberal and conservative bloggers. The horizontal axis shows the proportion of liberal vs. conservative bloggers linking to a video, and the vertical axis shows how many bloggers overall have linked to it. Click on a dot and the video plays—instantaneously. This map is available at

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