Elon Musk has claimed that AI is humanity’s “biggest existential threat.” Paradoxically, Musk is also working to create artificial intelligence. Why? Jill Lepore tours through a century of imagined robot rebellions, and argues that these stories are never only about robots. So what’s Elon Musk really afraid of when he wrings his hands over AI? In this final episode, Lepore argues that while Musk may be a visionary, “every piece of Muskism has origins in a future foretold in science fiction, long, long ago, as a cautionary tale.”

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In 2022, Elon Musk bought Twitter for $44 billion, and renamed it X. When asked why he wanted to own the social media network, Musk talked a lot about something he called the “woke mind virus.” Where does the idea of a mind virus come from? Jill Lepore looks to Cold War science fiction and the recently uncovered writings of Elon Musk’s grandfather in South Africa.

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The science fiction that Silicon Valley techno-billionaires like Elon Musk adore concerns gleaming futures in which fantastically powerful, immensely rich men colonize other planets. In this episode, Jill Lepore looks at some of the science fiction that’s usually left out of this vision — science fiction by and about women.

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