By Leah Shaffer

Drones are the future. Flying robots will tend our fields, fight fires, and definitely deliver your junk from Amazon. Most importantly, they will bring pizza — fast. Your phone will ding and there, at the door, will be food. No fumbling for cash tips; in fact, there will be none of that pesky human interaction at all. That’s the dream, that’s the vision. So, where is the pizza-copter, and why isn’t it here already?

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