Some of these things doesn't seem to infeasible, although some of the suggestions to solving the technical problems may not be very accurate? The wings seem rat

Some of these things doesn't seem to infeasible, although some of the suggestions to solving the technical problems may not be very accurate? The wings seem rather awkward. The capabilities of these quad copters (https://www.youtube.com/watch?v=2la4pIyXOEQ https://www.youtube.com/watch?v=2la4pIyXOEQ) aren't so far off. Then you have to add person recognition and a bunch of other stuff. It's supposed to be "moderately visionary".