Amazon's drone delivery program is the joke it always sounded like.
news.yahoo.com
Only one item can be delivered at a time. It can’t weigh more than 5 pounds. It can’t be too big. It can’t be something breakable, since the drone drops it from 12 feet. The drones can’t fly when it is too hot or too windy or too rainy.
You need to be home to put out the landing target and to make sure that a porch pirate doesn’t make off with your item or that it doesn’t roll into the street (which happened once to Lord and Silverman). But your car can’t be in the driveway. Letting the drone land in the backyard would avoid some of these problems, but not if there are trees.
Amazon has also warned customers that drone delivery is unavailable during periods of high demand for drone delivery.
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Another more successful operation in Rwanda and Ghana is https://en.wikipedia.org/wiki/Zipline_(drone_delivery_company) delivering 1.8kg over 300km and dropped by parachute.
That works for special use cases in rural environments. They use drones for mail delivery on some German islands, for instance. As a mainstream delivery option in urban environments this is just laughably impractical and that has been very obvious from day one.
It's certainly more useful in locations with insufficient infrastructure.