A mere week ago, tech founder Nikita Bier joined Elon Musk's X-formerly-Twitter as the company's new head of product. "I’ve officially posted my way to the top," Bier tweeted at the time, calling X the "most important social network in the world." Since then, Grok, Musk's AI chatbot, which lives on X, started turning into a full-blown Nazi. It started referring to itself as "MechaHitler," and making racist claims about Black people, while "recommending a second Holocaust." In the early morning hours of Tuesday, Bier posted a baffling tweet, seemingly taking a potshot at Musk's chatbot. "Going from an office […]