Which company is experimenting with the management of the final mile of delivery in some markets, using small aerial drones to deliver shoebox-size packages from fulfillment centers?

Amazon is widely believed to be leading the pack in developing this technology Move comes as Google and Amazon are devising an air traffic control system. Amazon is already experimenting with drone delivery (Prime Air), and has made successful deliveries to consumers within 13 minutes of their click-to-order. While the regulatory environment doesn't yet support widespread drone delivery, experts believe it won't be for long.