What Tesla knows about you

Every mile, every block, every inch of pavement driven by a Tesla vehicle generates a trove of information that can reveal as much about you as about your car.

Why it matters: Tesla is more of a tech company than a car company. And because data is critical to self-driving cars, it has designed its vehicles from the outset to be sophisticated rolling computers. As all cars get smarter and more automated, the data they collect will unlock new conveniences for drivers — but also new privacy concerns.

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Most modern vehicles already gather some data. They include a cellular Wi-Fi connection that transmits basic telematics data from the car to the cloud.