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Alireza Yavari originally shared:
GeoTags from Flickr Photos & Tweets Turned into Maps.
"See Something or Say Something" by Eric Fischer.

That map you see below isn't a picture of the earth, seen from space. Rather, it's a map of the locations attached to every tweet and Flickr photo. What results is a remarkable picture of how each service has spread across the globe. The maps were created by Eric Fischer, who is something of a mapping savant.

The original set on Flickr:
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