Walmart to use drones inside its retail stores
 

Patent reveals system to assist customers when no employees are present

US retail giant Walmart has recently been granted a patent for using in-store drones to shuttle merchandise from one department to another. Do not be surprised if you hear a buzzing sound overhead while walking through the laundry detergent aisle on the way to checkout.

http://fudzilla.com/news/43273-walma...-retail-stores