There are a couple ways to address these issues: For one, you could always have a human operator coordinate the landing and delivery process. They could coordi

There are a couple ways to address these issues: For one, you could always have a human operator coordinate the landing and delivery process. They could coordinate delivery using a phone call. Secondly, you could have a drone deliver goods to a distribution truck (possibly with a special landing-pad marker on top,) and a human could then deliver the package manually. No advanced technology needed for either of these, it's just communication + drones.