Fidji Simo, OpenAI's CEO of Applications, will oversee the change with assistance from OpenAI President Greg Brockman. OpenAI ...

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The Wall Street Journal writes that Fidji Simo, OpenAI's Chief Executive of Applications, will be in charge of the superapp.

What Data Is Grok Using? According to this help page, X shares your public data with xAI, a Musk startup that acquired X in 2025 and was acquired by SpaceX in February. It's responsible for training ...