Drone alert: Departures at London Heathrow—one of the world's busiest airports—were temporarily suspended yesterday following a drone sighting. Last month a drone sighting caused much longer-lasting disruption at Gatwick, one of Southeast England's other big airports.
119 million: The total number of smart speakers in circulation in the US.
EVs: 29 global automakers found that they are investing at least $300 billion in electric vehicles, with more than 45 percent of that earmarked for China.