Posts praising Hitler show the risks of accelerating the nascent technology with little stress testing and few guardrails

The tech billionaire unveiled its latest version, Grok 4, which he claims is "smarter than almost all graduate students, in all disciplines, simultaneously."

Less than a month after its debut in Austin, Elon Musk's Tesla robotaxi service is poised to expand its operations around the Texas capital, while adding a controversial new feature to its services. On Wednesday,