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Directed and undirected communities containing the account of George Monbiot (georgemonbiot) obtained from the undirected (top, diamonds) and directed (bottom, circles) networks at Markov times t = 0.8603, t = 1.3049 and t = 7.0, along with their word clouds. Compare these results with those obtained in figure 2 for BBC Radio 4's Today programme. (Online version in colour.)
