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Tourists used to depend on AAA to tell them where to go on vacation. But now they’re turning to another three-letter acronym: GPS. Here in San Francisco, you can rent a two-person buggy equipped with a GPS-activated audio tour guide; pass by the old Occidental Hotel near Fisherman’s Wharf in one of three-wheeled, gas-powered vehicles from GoCar Rentals and you’re likely to hear how the martini was invented there. The New York Times featured the new service in this week’s Circuits section.

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Geoffrey Hinton tells us why he’s now scared of the tech he helped build

“I have suddenly switched my views on whether these things are going to be more intelligent than us.”

Deep learning pioneer Geoffrey Hinton has quit Google

Hinton will be speaking at EmTech Digital on Wednesday.

Video: Geoffrey Hinton talks about the “existential threat” of AI

Watch Hinton speak with Will Douglas Heaven, MIT Technology Review’s senior editor for AI, at EmTech Digital.

Doctors have performed brain surgery on a fetus in one of the first operations of its kind

A baby girl who developed a life-threatening brain condition was successfully treated before she was born—and is now a healthy seven-week-old.

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