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Geo-mapping how much we value photographs as tokens of "buzz" The proliferation of online photography and geo-tagging allows researchers to visualize and define a "geography of buzz". A new study of time-stamped, geo-tagged photos uploaded to the internet equates quantities and clusters of images as photographic tokens of cultural value. How will urban developers and event marketers tap into these power centers highlighted by stock photo agencies and citizen photographers uploading images to Flickr and Twitter? Very interesting reading in the New York Times, and the original research paper.