How Money Moves

The title should actually be “How Dollar Bills Move,” but it’s not as alliterative.

A fascinating item on the work of Dirk Brockmann, who’s used to map the movement of dollar bills, and the boundaries over which they’re least likely to cross:

I have no idea what to do with this, or whether it even has any useful application. But it’s at least a fine example of the fruits of human curiosity.

Cross-posted at Asymptosis.