Sam Altman ousted as OpenAI CEO, replaced by Emmett Shear, former Twitch chief.Despite Altman's departure, Microsoft reaffirms commitment to OpenAI partnership, emphasizing confidence in their product roadmap and innovation.Altman, along with Greg Brockman, joins Microsoft to lead a new advanced AI research team.Altman sacked by OpenAI board, citing the need for new leadership moving forward, despite calls for his reinstatement.