Gallery: Infographic: Mapping a City's Pulse Using Foursquare and Yelp
01munich1
Data visualization expert Moritz Stefaner created maps of Hamburg, Berlin, and Munich (pictured) that highlight social interactions as measured by Foursquare and Yelp check-ins. *Image: Moritz Stefaner*
02hamburg1
Through the process of mapping social interactions Stefaner was able to uncover interesting patterns that reflected each city's unique personality. Hamburg's waterfront has several small hotspots that emerged serving different kinds of clientele. *Image: Moritz Stefaner*
03berlin1
Berlin's social interactions are heavily partitioned—a legacy one would expect given the city's difficult past. *Image: Moritz Stefaner*
04munichdeet
Established formally in 1175, Munich follows the classical model of having a distinct city center with activities radiating from it. *Image: Moritz Stefaner*
05hamburgdeet
The bright yellow clump is a nightlife cluster that emerged around a "red light" district on Hamburg's waterfront. *Image: Moritz Stefaner*
06berlindeet
Stefaner hopes to expand the series into other European and U.S. cities and may [open-source the code on Github](https://github.com/MoritzStefaner), allowing any armchair cartographer to map their city. *Image: Moritz Stefaner*
