Originally published on Thu December 22, 2011 4:36 pm
This week marks the busiest time of the year for shipping services like UPS, FedEx and the Postal Service. The post office handled 600 million cards and letters alone on Tuesday, and UPS says it is delivering 300 packages per second, on average.
At one FedEx facility in Washington, D.C., the logistics of last-minute shipping are on full display.
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