From Foursquare Analytics:
Every day, millions of people check in on Foursquare. We took a year's worth of check‑ins in Istanbul, London, Chicago, Tokyo and San Francisco and plotted them on a map. Each dot represents a single check‑in, while the straight lines link sequential check‑ins.What you can see here represents the power of check‑in data — on Foursquare, every city around the world pulses with activity every hour of every day.
Foursquare check-ins show the pulse of London from Foursquare on Vimeo
(Hat tip to @DannyWhatmough of KetchumUK for sharing this on Twitter)
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