Federal, state and local law enforcement agencies are increasingly borrowing border-patrol drones for domestic surveillance operations, according to flight logs recently released in response to a Freedom of Information Act lawsuit filed by the Electronic Frontier Foundation, a civil-liberties group.
A Washington, D.C.-based engineer is working on the "Drone Shield" that might be able to send you text and email alerts that let you know when a drone is nearby.
With potential applications in crop spraying, watering and land surveys, farmers might quickly overtake law enforcement as the robots' next big market.