Inside UPS' Worldport: How a shipping titan moves 2,000 packages every 17 seconds

The free market at work: "United Parcel Service (UPS) relies on Worldport in Louisville, Ky.: a 5.2 million-square-foot processing facility that's capable of sorting up to 416,000 packages an hour. Within Worldport, 70 aircraft docks and 155 miles of conveyor belts await the arrival of packages from over 220 countries and territories."