Elon Musk, Chief Executive Officer of SpaceX and Tesla and owner of X looks on during the Milken Conference 2024 Global Conference Sessions at The Beverly Hilton in Beverly Hills, California, US May 6, 2024. REUTERSElon Musk, Chief Executive Officer of SpaceX and Tesla and owner of X looks on during the Milken Conference 2024 Global Conference Sessions at The Beverly Hilton in Beverly Hills, California, US May 6, 2024. Individual Tesla owners will also be able to make money on the app by listing their vehicles as robotaxis. Musk could also give details on cheaper versions of Tesla's current EVs as well as updates on its humanoid robot Optimus. MISSED PROMISESMusk said in 2019 he was "very confident" the company would have operational robotaxis by the next year.