You are right that it's not an easy problem to solve but I think you would also agree the economic incentives are there and you don't necessarily have to have p

You are right that it's not an easy problem to solve but I think you would also agree the economic incentives are there and you don't necessarily have to have people in the vehicles to see improvements on the problems I cited above. Amazon's scheme for drone delivery seemed kind of crazy at first glance but it does have some sound economics behind it. Here's a reference that seems to have a reasonably balanced view: http://thedronegirl.com/2017/05/07/drone-delivery-economics-amazon-drones/ http://thedronegirl.com/2017/05/07/drone-delivery-economics-...