JD.com chief Richard Liu sees drone delivery as the way to reach China's rural consumers
"Today we have over 70,000 delivery men working on the street. It's high cost, you know," he said. "If you can use robotics to deliver a parcel, the cost will be very low." JD.com and rival Alibaba are already established players in China's top-tier cities such as Beijing and Shanghai. But China's rising middle class is opening newer markets for retailers...