Microsoft CEO Satya Nadella says Bill Gates warned him that investing in OpenAI would be like setting $1 billion on fire businessinsider.comMicrosoft and OpenAI's new for-profit deal gives Windows maker 27% stake Yahoo FinanceTranscript: OpenAI's long-awaited restructuring deal Financial TimesBuilt to benefit everyone OpenAIThe next chapter of the Microsoft-OpenAI partnership The Official Microsoft Blog