https://www.theguardian.com/technology/2017/nov/08/uber-signs-contract-nasa-develop-flying-taxi-software

Ambitious plans for electric drone-like flying cabs take step forward as Uber announces plans to test flights in Los Angeles in 2020, ahead of 2028 Olympics

Uber has taken a step forward in its plan to make autonomous “flying taxis” a reality, signing a contract with Nasa to develop the software to manage them.