Kiva is an organization that matches lenders, mainly in rich countries, with microfinance organizations and entrepreneurs and students mainly in poor countries. Several of its organizers have posted a wonderful representation of the flow of money -- outgoing from lenders to recipients, and back again when the loan is repaid.
This is absorbing enough in its own right (especially after the first 40 seconds or so) -- but all the more so if you have ever seen war-game counterparts involving a different sort of intercontinental ballistic device. Worth watching and learning more about. (Thanks to S.N.)
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