The Dohop blog points to some great work by Eric Fischer which provides a visualization contrasting a locals view of the city with that of a tourist. By looking at the frequency of photographs uploaded by a user, Fischer figured out approximately which were taken by locals (many pictures over time from the same city) and which were from tourists (only for a short period of time in a city). The resulting plots give an indication of how these different personas view cities.
Blue points indicate concentrations of images by locals, red, by tourists.
New York
Tokyo
Seattle
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