Delivery Drones Cheer Shoppers, Annoy Neighbors, Scare Dogs

Drones could someday revolutionize e-commerce by cutting delivery times, reducing energy use and lowering costs. For now, they are dividing neighbors in the suburban neighborhood of Bonython, where one of the world's most advanced drone-delivery tests has taken flight. Tech companies are tinkering with drone deliveries all over the world. Wing is a step ahead of some by routinely bringing everyday items to customers in an entire neighborhood. Residents can use a smartphone app to order food, hardware supplies and over-the-counter medications from half a dozen retailers.