Such a very thoughtful innovation, few years back amazon had plans of incorporating drones for their deliveries. As a matter of fact, the world is changing fast and the way businesses are ran is also changing;every investor or entrepreneur wants to maximise profit and minimize losses, so every technological advancement unfolding in the course of carry out their business and will directly brings profits,cut down running cost will surely see light of the day. With drone introduction by Japan's postal service for their deliveries soonest other organisations will dash into the drone services. Best regard @doitvoluntarily