Reid Hoffman has invested in AI for years. The LinkedIn co-founder said he used AI to vet his new book, Superagency, written with Greg Beato, which makes an optimistic case for an AI-powered future. In today's episode, Hoffman joins NPR's Steve Inskeep for a conversation about the book that touches on his decision to back Kamala Harris for president in 2024 and on his falling out with Elon Musk. Then, Bill Gates joins NPR's Scott Detrow for a conversation about his new memoir Source Code. Much of Gates' writing has focused on the future – but here he reflects on his early life, from his childhood to the birth of Microsoft. He speaks with Detrow about the death of Gates' high school best friend and the opportunity he saw in personal computing.The Gates Foundation is a financial supporter of NPR.To listen to Book of the Day sponsor-free and support NPR's book coverage, sign up for Book of the Day+ at plus.npr.org/bookofthedayLearn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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“What did the council decide on item 42?” — answered with the speaker and the moment.