When you find out that sensitive personal information is being bought and sold on the dark web, what should you do? WSJ personal tech columnist Nicole Nguyen explains how to know it’s happened and what you can do to protect yourself afterward.Then, OpenAI’s co-founder Sam Altman is joining forces with Apple’s chief architect of the iPhone to create what they hope will take artificial intelligence off screens and into the next generation of tech devices. WSJ reporter Keach Hagey has the details. Victoria Craig hosts. 

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