SpaceX, Anthropic and OpenAI are all racing to the public markets. We discuss what their I.P.O.s mean for the industry, charitable giving and anyone invested in an index fund. Then, more than 1,000 mathematicians signed a declaration this week raising concerns about the use of A.I. in their field. Author Kevin Hartnett joins to explain what the fuss is all about. And finally, we run through the biggest headlines of the week ? including the new executive order on A.I. ? in a round of HatGPT.

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The ?Hard Fork? team is taking a break this week as we prepare for our upcoming live show in San Francisco.

While we?re away, we?re bringing you a recent episode of ?Interesting Times? with Ross Douthat that we really enjoyed.

In this episode, Ross talks with Andrew Miller, writer of the transportation policy newsletter ?Changing Lanes? and co-author of the book ?The End of Driving.?

Together, they explore the potential benefits of driverless cars ? from fewer car crashes to reclaimed time and attention ? as well as what could be lost if we don?t have to be in the driver?s seat anymore.

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We want to hear from you. Email us at [email protected]. Find ?Hard Fork? on YouTube and TikTok.

Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.

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Hosts Kevin Roose and Casey Newton explore stories from the wild frontier of tech.

What?s real? What?s hype? ?Hard Fork? is here to help you make sense of it. Tune in every Friday.

Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.