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The American Blogosphere: News and Politics, Technology, and the 'Love Cluster'

BY Nick Judd | Tuesday, November 8 2011

In a blog post summarizing a presentation by Berkman Center for Internet and Society fellow Hal Roberts, Ethan Zuckerman describes how a new understanding of the blogosphere includes space for something Roberts calls the "love cluster" — and how the left and right online seem to share a common agenda:

Much of Hal’s work has focused on using the content of media – rather than the structure of its hyperlinks – to map and cluster the mediasphere. He shows us a map of US blogs that cluster into three main areas – news and political blogs, technology blogs and what he calls “the love cluster”. This last cluster is so named because it’s filled with people talking about what they love. Subclusters include knitters, quilters, fans of recipes and photography. The technology cluser breaks down into a Google camp, an iPhone camp and a camp discussing Android Apps. Hal’s visualization shows the words most used in the sources within a cluster, which helps us understand what these clusters are talking about. The Google cluster features words like “SEO, webmaster, facebook, chrome” and others, suggesting the cluster is substantively about Google and its technology projects.

While we might expect the politics and news cluster to divide evenly into left and rightwing camps, it doesn’t. Study the link structure of the left and the right, as Glance and Adamic and later Eszter Hargittai have, and it’s clear that like links to like. But Hal’s research shows that the left and right use very similar language and talk about many of the same topics. This is a novel finding: It’s not that the left and right are talking about entirely different topics – instead they’re arguing over a common agenda, an agenda that’s well represented in mainstream media as well, which suggests the existence of subjects neither the right or left are talking about online.