[UPDATE, March 28, 2017: Uber restarted self-driving car operations in Pittsburgh, San Francisco and Tempe, Ariz., according to published reports. An Uber official told Reuters that the company completed an investigation into the Arizona crash and cleared the autonomous driving technology.]

[UPDATE, March 27, 2017: After a self-driving Uber car crashed in Arizona a few days ago, the company halted use of the autonomous technology. Uber had been field-testing also in Pittsburgh and San Francisco. "We are continuing to look into this incident, and can confirm we had . . .

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