> "As soon as one of these kills a dog it's done for" As soon as it kills a dog, you'll have to put certified accelerometer-triggered parachutes on them, and t

> "As soon as one of these kills a dog it's done for" As soon as it kills a dog, you'll have to put certified accelerometer-triggered parachutes on them, and that's it. When accepting a risk improves logistics dramatically, we get used to that risk: just look at the death toll (and city-planning horrors) we gladly accept in exchange for pervasive car usage. I think this will end up as important as the invention of the lorry for deliveries, and Amazon makes sure it'll master this technology before it even comes on its competitors' radars.