Mr. Li envisions a world of K5 security bots patrolling schools and communities, in what would amount to a 21st-century version of a neighborhood watch. The all

Mr. Li envisions a world of K5 security bots patrolling schools and communities, in what would amount to a 21st-century version of a neighborhood watch. The all-seeing mobile robots will eventually be wirelessly connected to a centralized data server, where they will have access to “big data,” making it possible to recognize faces, license plates and other suspicious anomalies.