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Mobile application Foursquare has released a gorgeous map of the data it collects from users who broadcast where they are to friends. (The startup is using the map of 500 million check-ins to argue that it can provide intelligent recommendations to users even if they don’t want to share their location.) I used the map to examine 10 cities that have particularly striking “footprints” comprised entirely of check-ins by Foursquare users on their mobile phones, revealing the contours of geography, density, and popularity in each locale.

Moscow, Russia

Screen Shot 2013-01-20 at 7.52.25 PM

 

Istanbul, Turkey

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Paris, France

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Mumbai, India

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San Francisco, United States

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London, UK

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Jakarta, Indonesia

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Dubai, United Arab Emirates

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Barcelona, Spain

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Los Angeles, United States

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 This story originally appeared on Quartz, a Skift content partner.

Additional links from Quartz:

Photo Credit: New York City, Foursquare's home city and the largest and most dense footprint of users checking in.