DoorDash, which has been working on autonomy and robotics technology since about 2017, is currently doing drone deliveries in Australia and is securing permits for the U.S.

DoorDash, which has been working on autonomy and robotics technology since about 2017, is currently doing drone deliveries in Australia and is securing permits for the U.S.

At Fortune Brainstorm Tech, Xu talked about acquisitions and the company's progress with automation.

AI will create jobs to replace those it eliminates at Walmart.