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Is this the structure of Chicago?

It's not the Chicago of my experience, but almost all of the Chicago of my experience was just that tiny spot at the bottom right.


The curve heading to the southwest seems especially suspect for not corresponding to any particular road or transit line.


Data from the Twitter streaming API (10000 points, 30000 vectors). Base map from OpenStreetMap, CC-BY-SA


A set of the same technique applied to other cities

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Uploaded on January 23, 2012