Microsoft is hosting a major event on Tuesday at 1 p.m. ET where it's expected to talk about OpenAI's ChatGPT and how Microsoft will use it in its products. The event will not stream live for the public, but CNBC and other media outlets will be there to cover the news live. OpenAI's CEO, Sam Altman, on Monday tweeted a photo of himself alongside Microsoft CEO Satya Nadella. Follow along for live updates from Microsoft's Tuesday event below.

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