Software on board driverless Waymo vehicles makes realtime driving decisions. But the vehicles have the ability to “phone home” and get assistance from humans if they encounter situations they don’t understand.How often does this happen? Until this week, Waymo kept numbers like this confidential. But on Tuesday, Waymo provided an important clue, reveali…Keep reading with a 7-day free trialSubscribe to Understanding AI to keep reading this post and get 7 days of free access to the full post archives.