A group of researchers are using the data on flow of money to study migration patterns across the US.

Christian Thiemann and Daniel Grady of the Northwestern University have been mapping migration patterns across America using the flow of dollar bills in the country. They used the data from Where’s George, a site where entering a dollar bill’s serial number can track its journey as other people spend it across the country.

The researchers demonstrated their project through a video which shows bills stretching out from county to county and showing interesting patterns.

Follow The Money

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