A bill that has can be tracked on Where

A bill that has can be tracked on Where's George?

Detail map of Evanston, Illinois, United States Overview map of Evanston, Illinois, United States

A: Evanston, Illinois, United States

Using Currency Movements to Predict the Spread of Infectious Disease

1/26/2006

On January 26, 2006 Dirk Brockmann, a theoretical physicist and computational epidemiologist at Northwestern University in Evanston, Illinois, L. Hufnagel, and T. Geisel published "The scaling laws of human travel," Nature 439 (2006) 462-65. 

Using statistical data from the American currency tracking website, Where's George?, the paper described statistical laws of human travel in the United States, and developed a mathematical model of the spread of infectious disease.

[By January 31, 2009, Where's George? tracked over 149 million bills totaling more than $810 million. (Wikipedia).]

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