An AI drone capable of autonomous flight is becoming a “home security guard”――Ring, a subsidiary of Amazon in the United States, announced the home security drone “Ring Drone Cam” and the autonomous security robot for businesses, “Ring Rover Cam,” on November 10 (local time). Both use AI to patrol indoor spaces and, when sensors or other devices detect an abnormality, move autonomously to a designated location to check the situation. Prices in the United S