Fusing APIs from Google Maps, Flickr and some other software he's been able to plot locations.
He's created some clever "heat maps" for Barcelona showing the most photographed areas; they all tend to be in the same places.


Not only is this great visualization of data, it shows that people don't stray much from a pre-designated path. They want the photos of the famous places and landmarks. There's a lesson here for all tourists, it might be worth straying off the beaten path once in a while. This metaphor certainly applies to thinking about research; go where others aren't looking, because you just might see something fresh.
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