505 of 700 OpenAI Employees Demand Board Resign Following Sam Altman Firing, Threaten to Walk

• 505 OpenAI employees have signed a letter demanding the board of directors step down following the ousting of co-founder Sam Altman.
• The employees threaten to leave their positions for a new Microsoft AI subsidiary led by Altman and Greg Brockman.
• Microsoft CEO, Satya Nadella, confirms hiring Altman and Brockman to lead a new advanced AI research team.
• The employees state that they will take action unless all current board members resign and reinstate Altman and Brockman.
• Altman was fired due to alleged lack of consistent communication, leading to the board losing confidence in his leadership.
• Brockman, who was serving as president of OpenAI, quit following the news.
• Emmett Shear, co-founder of Twitch, will serve as interim CEO.
• Microsoft will continue collaboration with OpenAI and Altman/Brockman.

The sentiment in the article seems negative, as it highlights the demand for the board's resignation and the dissatisfaction of employees with the current leadership. However, there is also a positive sentiment towards Altman and Brockman, as they are being hired by Microsoft to lead a new AI research team.