We may not have flying cars yet, but the twenty-first century is at least giving us self-driven taxis. One of the highest-profile is Waymo One, a vehicle that originated at Google before -- if you'll forgive the pun -- driving elsewhere. Not to be outdone, Elon Musk's company Tesla, Inc is also into the robo-taxis game, same as Mercedes, which is adding stylish models to the race.

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theverge.com/self-driving-car-taxi