Shares of Uber falling today after the ride share giant posted lower than expected Ibida outlook, but the quarter did give us some details on how the robo taxi race is evolving. Mackenzie Seagalis has the story in today's tech check. Hi Mac.>> Hey Court. So because of that light Q4 guide, now more than ever Uber is under pressure to prove its driverless strategy has real upside. CEO Darra Kasra Shahi told Squatbox this morning that Uber's AV offerings are live in four cities and will scale to 10 by the end ...