It’s Wednesday, September 9, 2026, and the last day in tech was not a product cycle. It was an argument about power. OpenAI says an AI cracked a Millennium Prize math problem in 88 hours, then walked straight into a fight over credit. Meta wants a new AI agent inside your email, calendar, and checkout flow. Humanoid robots walked off a Guangzhou factory line while Beijing quietly tightened the IPO gate behind them. In the same window, U.S. agencies accused Chinese labs of siphoning American AI model intelligence at industrial scale, while Google patched its seventh exploited Chrome zero-day of…