The Pulse of Cities - Visualized

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via Fast Company, we have these visualizations of Chicago, Istanbul, London, New York, San Francisco, and Tokyo, through Foursquare.  As a Foursquare spokesman put it, they
"took a year of check-ins and condensed them to show what each city looks like on an average day." 
Its really pretty fascinating - they've used color codes to show the time of the day, and you can see people coming in from the burbs in the morning, and leaving at night, neighborhoods, where people hang out, etc..
Check it out below

Chicago


New York


London


San Francisco


Tokyo


Istanbul

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