Amazon's Zoox robotaxi unit issued a voluntary recall of its software for the second time in a month following a recent crash in San Francisco.On May 8, an unoccupied Zoox robotaxi was turning at low speed when it was struck by an electric scooter rider after braking to yield at an intersection. The person on the scooter declined medical attention after sustaining minor injuries as a result of the collision, Zoox said."The Zoox vehicle was stopped at the time of contact," the company said in a blog post. "T ...