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Chatroulette Is On the Rise Again—With Help From AI
The hottest app of early 2010 faded quickly when it was flooded with unwanted nudity. Smarter content moderation is helping to revive it.
Some UK Stores Are Using Facial Recognition to Track Shoppers
Branches of the British grocer Southern Co-op are using surveillance technology to look for potential shoplifters.
The Year of Driving Less—but More Dangerously
Total traffic deaths fell during pandemic lockdowns. But fatalities per mile traveled rose, due to faster driving, fewer cops, and more drug use.
Why Do Many Self-Driving Cars Look Like Toasters on Wheels?
Without any need for steering wheels or pedals, the cubes give passengers room to maneuver inside. The latest entrant, from Zoox, can hold 4.
How Restaurants Retooled for Takeout—and Survival
Chefs tinkered with food chemistry, while dining apps reengineered logistics. Those changes will endure even after the pandemic is over.
Airlines’ Pandemic-Driven Cargo Business Will Keep Flying
As Covid-19 shut down air travel, the industry quickly pivoted to hauling more stuff. It won’t be pivoting away anytime soon.