Elon Musk and Sam Altman, co-founders of OpenAI, appeared in federal court in Oakland, California, for the opening statements of a trial that could reshape the landscape of artificial intelligence. This high-stakes legal battle arises from a bitter feud between the two billionaires, marking a significant moment in the tech industry. The jury was selected on Monday, and the trial is expected to last three weeks. It will delve into Musk's claims of betrayal and deceit, alleging that OpenAI has strayed from its original altruistic mission to become a capitalistic venture now valued at $852 billion. Musk, who has a net worth of approximately $778 billion, is anticipated to testify early in the proceedings. Altman, the current CEO of OpenAI, will also take the stand, alongside Microsoft CEO Satya Nadella, who has been instrumental in funding the development of ChatGPT, a chatbot that has sparked a significant AI boom.