[USMA:53490] Long Scale and Short Scale: How much is a billion? It depends where you live.

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My latest blog:

http://metricpioneer.wordpress.com/2014/01/05/long-scale-and-short-scale-how-much-is-a-billion-it-depends-where-you-live/

David Pearl MetricPioneer.com 503-428-4917