Chinese entrants swept all five categories, featuring technologies to improve civic life. But the advances could also be tools for surveillance.
A list of incidents that caused, or nearly caused, harm aims to prompt developers to think more carefully about the tech they create.
Video from the cameras is often used in facial-recognition searches. A report finds they are most common in neighborhoods with large nonwhite populations.
When films are dubbed in another language, an actor’s facial movements may clash with his lines. Technology related to deepfakes can help smooth things over.
Drills involving swarms of drones raise questions about whether machines could outperform a human operator in complex scenarios.