[Air-L] Flickr user traces make accidental maps

[Steve Cavrak]

Gallery: Flickr user traces make accidental maps  ? Colin Barras / New  
Scientist:

  Billions of photos have now been uploaded to the internet, and many  
are tagged with text descriptions.  Some are even geotagged - stamped  
with the latitude and longitude coordinates at which the image was  
taken.

->  
http://www.newscientist.com/article/dn17017-gallery-flickr-user-traces-make-accidental-maps.html