Photo: Emil Lendof/WSJ, Zuma PressPanos Panay remembers the first time he walked into a room and asked Alexa to play a song. “And it actually played,” he says, hands on his knees, leaning into the audience of reporters and analysts at Amazon.com’s February demonstration of Alexa+, a rebooted, AI-infused version of the virtual assistant. “Sounds kind of funny right now, but 10 years ago, it was mind-blowing.” ...

Core Insights - Tesla's humanoid robot Optimus is considered pivotal to the company's future by CEO Elon Musk [1][2] - The expected cost of the Optimus robot is projected to be less than that of a car [1] - The departure of a key artificial intelligence executive, Milan Kovac, represents a setback for the Optimus project [1][2] Company Developments - Milan Kovac, who was a vice president of engineering, played a significant role in the development of the Optimus robot [2] - The Optimus project aligns with Musk's vision of evolving Tesla from an electric vehicle manufacturer to a robotics and artificial intelligence company [2]

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