It’s complicated….

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It’s complicated….

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It’s complicated…. It’s complicated…. o r perhaps it’s just complex. The formation of human trails. The formation of human trails. The formation of human trails. The formation of human trails. D. Helbing et al. , Nature 388 , 47 (1997). Understanding cities. Understanding cities. - PowerPoint PPT Presentation

Transcript of It’s complicated….

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It’s complicated….

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It’s complicated….

or perhaps it’s just complex

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The formation of human trails

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The formation of human trails

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The formation of human trails

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The formation of human trailsD. Helbing et al., Nature 388, 47 (1997)

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Understanding cities

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Understanding cities

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1971 2000

Christakis & Fowler, New Engl. J. Med. 358, 2249 (2008)

Social contagion