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 Briefing 
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- Warehouse in the Sky – Amazon received patent in April 2016 for airborne warehouses housing drones able to deliver packages to customers within minutes
  - Gravitation-Assisted Technology – Warehouses could fly over cities at 45,000 feet, from which drones could fall by gravitational pull, with motors activating only during flights' last stretches
  - Return Ferries – Delivery drones would be ferried back to flying warehouses by bigger shuttles 
  - Faster, Efficient Delivery – Enable faster delivery time and reduce resources required for delivery processes
  - Potential Applications – Include hovering over sports events, delivering food and paraphernalia to crowd
 
 
 
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