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2012 Political Book Buyers Less Polarized Than in 2008

BY Micah L. Sifry | Tuesday, October 16 2012

Detail from Valdis Krebs, 2012 Political Book Network

Every four years, Valdis Krebs, an expert in network analysis, takes a look at the political book-buying habits of Amazon's customers, and performs a bit of data visualization magic. By looking at the data Amazon shares about people who buy books in common, along with the "also-bought" pairings, Krebs produces a network map linking books, and their buyers, into clusters. You can see the moats dividing many Americans into blue and red islands, but also the places where intellectual bridges may exist. (I've included a snippet of the map, but to see the full picture you should go to Krebs' website.) Read More

Beyond "Bitter Twitter": Crowd-Photography for the Cyber-Tahrir Square

BY Micah L. Sifry | Tuesday, July 10 2012

If you're following the presidential campaign via Twitter, you know that each side is using the medium to strafe the other. But with the help of powerful network mapping tools, we discovered there's actually a lot more happening in the Twittersphere around those daily diversions. Thanks to connection technologies, people, events and ideas are coalescing in fascinating patterns online. There's a big "Tahrir Square" level of political demonstration underway, and with this post, we start mining the data to spot the communities among the crowds. Read More