Drone delivery dream turns to reality

Soraraku (Rakuten's delivery drone on golf courses)

Amazon Prime Air delivery drone

DHL's Parcelcopter

Positives:
1) comfortable and quick delivery service to customers
2) will facilitate more of short distance c2c transactions (craiglist etc)
3) save considerable amount of delivery charges

Negatives:
1) feasible only on wide places (remotes) and not feasible in crowded cities
2) stealing / security / privacy issues
3) too noisy

Neutral:

1) need to define DRONE ZONE where the flying should be permitted