Polygon "A quick drive for ice cream would have created almost no data fifteen years ago. Modern cars, on the other hand, are fitted with global positioning systems, satellite radio, and brains that keep all their diagnostic data in one place. A drive to the ice cream parlor today creates reams of data, and it’s all out there somewhere. I explained to my mother in law that yes, it was a surveillance device but no, it wasn’t something from the NSA. It was just a normal part of her vehicle."