Here are recent graphs of Twitter networks for several news media outlets :
@cnn
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bbcworld
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@washingtonpost
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theeconomist
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@latimes
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@FT OR @financialtimes
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@nytimes
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cbcnews
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@newshour
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nbcnews
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bbcnews
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cbsnews
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The common “broadcast” structure is common to most of these news media outlets, it appears as a “hub and spoke” pattern. The people at the end of these spokes are the “audience”. Some of these news networks have many more “isolates” or “brand” mentioners – these are the grids of individuals with no connections to others. In contrast some contributors are densely connected in communities of discussion formed around various topics.
@helenmatterson rt @markjbradford @nodexl: Mapping news media outlets in Twitter: @cnn… http://t.co/MXjfY4ORcD
Mapping news media outlets in Twitter http://t.co/F8eekhDPyq
RT @bencaudron: Mapping news media outlets in Twitter http://t.co/F8eekhDPyq
@marc_smith Mapping social media networks of news media outlets in Twitter with NodeXL – http://t.co/vEKXGMG0sG