Soraraku (Rakuten's delivery drone on golf courses)
Amazon Prime Air delivery drone
DHL's Parcelcopter
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