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Alexis Bogan emerged from brain surgery last year unable to speak fluently. So doctors working with ChatGPT-maker OpenAI created a synthetic version of her voice that can say anything she wants.

Facebook's Mark Zuckerberg and Apple's Tim Cook are fighting over iPhone privacy rules. At stake is the future of how iPhone user data is used by data brokers and advertisers.

Apple first crossed the $1 trillion mark just two years ago. The iPhone maker and a handful of other tech giants propelled the S&P 500 index to a new record this week.