It's safe to assume that no one has ever wielded a Toyota Prius in anger. And that's still true. At last week's TED conference Google brought out one of its autonomous hybrids to show off to attendees, and The Big G's engineers had it squealing tires and clipping cones at the top of a parking structure.

The crew from SearchEngineLand posted two videos of the driverless Prius in action – one from outside and another rare glimpse from within – and what's even cooler than the technotronic boot-up sequence is the incessant beeping from the Toyota's traction control as it blasts around the makeshift autocross course. Impressive. Now the ball's in Audi's court to show how its TTS can handle the rigors of Pikes Peak.

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