Robert Thayer looked up from his computer as a churning weedwacker-like sound interrupted the silence of his west Omaha home. As he noticed his grass swaying, he thought: That must be the drone.
The tech worker walked out his front door to find a blue-and-white robot hovering above his yard.
He watched with amusement as the drone dropped a brown box containing the allergy medicine he had ordered 90 minutes earlier. Then, the machine’s powerful propellers blew the box from his lawn into the street…