OpenAI officially announced the firing of CEO Sam Altman, attracting global attention in the AI sector. A new board has formed, involving negotiations, resignations, and the appointment of a new CEO. Microsoft and the second-largest shareholder, Thrive Capital, applied pressure, causing public outcry. Employee protests were intense, leading to a wave of resignations and an open letter demanding the board's resignation. The largest collective resignation movement in business history occurred, with over 95% employee participation.