Video shows Optimus robot serving drinks, dancing at Tesla event

A video shared by Tesla showed its humanoid robot Optimus serving drinks at the company's 'We, Robot' event. A group of Optimus robots were also seen dancing on a lit-up stage. Talking about the future, CEO Elon Musk said the robot will be the "biggest product ever of any kind" and will probably cost around $20,000-30,000.