 Since Jeff Bezos unveiled plans for delivery drones a decade ago, progress has been slow. Today, there are only a few thousand delivery robots currently operating in the U.S. But that's about to change. In December, Prime Error successfully completed commercial deliveries in College Station, Texas, and Lockford, California. On the other side of the world, Maithuan and Alibaba have just started rolling out the service to their customers as well. In the U.S., delivery drones have been hindered by the FAA approval process, and it's the same story in China. But I predict that won't be true much longer, in terms of the overwhelming benefits this service brings. Convenience for customers and in reducing the traffic problems caused by delivery trucks clogging up our streets. By 2050, I'm confident that the urban skyline will be buzzing with what will look like a swarm of carrier pigeons, bearing books, spatulas, bottles of vinegar, or whatever else you might order on Amazon, not to mention hearts and kidneys racing towards hospitals.