Uber Announces Plan To Work With NASA On Flying Taxi Service Written 9 May 2018

Bloomberg News reports that Uber announced plans Tuesday to partner with NASA to develop vertical takeoff and landing vehicles that will serve as taxis within cities. Uber made the announcement at its Uber Elevate conference in Los Angeles, and set a goal to begin testing in 2020, with commercial service beginning in 2023. 
More Info (Bloomberg News)