The Wallstreet Journal has released a very interesting tool leveraging the API’s that Facebook has made available. In short they pull every hour the dominate stories that can be identified from both extremes of the largest social network around today. It is interesting to see how our confirmation bias is being reinforced by the way we see things and how they are presented.
Take a moment to see how people are seeing the various topics. It dramatically shows how the country is polarized, and based on the nature of the news we see how this polarization bias works to further draw the positions apart.