Yes, drone deliveries have found one viable niche - getting lightweight but critical medical supplies to remote locations. We certainly aren't going to get UAV

Yes, drone deliveries have found one viable niche - getting lightweight but critical medical supplies to remote locations. We certainly aren't going to get UAVs delivering takeaways and Amazon parcels in cities any time soon, though. When 'delivery drones' happen, they're likely to have 4 wheels and travel by road.