Author: Tom Brehme

The other day I came across these map mashups by Flickr contributer Eric Fisher and was reminded of the enormous value of data visualization.  Eric used geo-tagged Flickr images and a homegrown classification method to determine which pictures were taken by local photographers (blue on the map) versus those taken by tourists (red).  Yellow denotes undetermined.

In 15 seconds or less, “Where would you advertise …