What happens when cars get emotional?

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Self-driving cars are nice—but the real revolution is automotive empathy.

(Read my column.)

While we’re all waiting for Total Recall’s “Johnny Cab” to arrive, a more profound change will hit the road: Cars are learning to get in touch with our thoughts in dramatic ways.

Emotion and activity detection will take many forms and employ myriad new technologies, especially artificial intelligence (AI) that processes real-time data from cameras, microphones, biosensors, and even radar.

The biggest reason for this tech shift is safety—because the most dangerous thing about a car is the driver.