![David Perell on Twitter: "As a comparison, here's a map of the U.S Highway system which is much more decentralized. Like America's population, its center-of-gravity is shifted to the north-east, but it David Perell on Twitter: "As a comparison, here's a map of the U.S Highway system which is much more decentralized. Like America's population, its center-of-gravity is shifted to the north-east, but it](https://pbs.twimg.com/media/ENz6hrUXkAAtzwf.jpg)
David Perell on Twitter: "As a comparison, here's a map of the U.S Highway system which is much more decentralized. Like America's population, its center-of-gravity is shifted to the north-east, but it
![A United Parcel Service aircraft is loaded with air cargo containers full of packages bound for their final destination at the UPS Worldport All Points International Hub during the peak delivery day A United Parcel Service aircraft is loaded with air cargo containers full of packages bound for their final destination at the UPS Worldport All Points International Hub during the peak delivery day](https://l450v.alamy.com/450ves/2e6r2dm/united-parcel-service-aircraft-are-loaded-with-air-containers-full-of-packages-bound-for-their-final-destination-at-the-ups-worldport-all-points-international-hub-during-the-peak-delivery-day-in-louisville-kentucky-december-21-2009-the-company-expects-to-deliver-more-than-22-million-air-and-ground-packages-globally-on-monday-of-which-more-than-2-5-million-will-be-moving-through-the-louisville-hub-this-year-ups-expects-to-deliver-more-than-400-million-packages-globally-during-the-time-between-thanksgiving-and-christmas-reuters-john-sommers-ii-united-states-tags-society-bus-2e6r2dm.jpg)
A United Parcel Service aircraft is loaded with air cargo containers full of packages bound for their final destination at the UPS Worldport All Points International Hub during the peak delivery day
![Contact U.S. Aerospace | FAA Part 145 Repair Station for Repair and Overhaul of Aircraft Avionics, Instruments, Radios and Accessories Contact U.S. Aerospace | FAA Part 145 Repair Station for Repair and Overhaul of Aircraft Avionics, Instruments, Radios and Accessories](http://www.usaerospacecorp.com/wp-content/uploads/2013/10/main_locations_map2.jpg)