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Jill Lepore uncovers the history of Simulmatics, the forgotten US data company that paved the way for Facebook, Amazon and Cambridge Analytica.

In 1966 Simulmatics goes to war – taking their particular brand of ‘people prediction’ to Vietnam.

Jill Lepore is Professor of American History at Harvard University. A staff writer at The New Yorker and host of podcast The Last Archive, she is an award-winning writer of books on diverse topics, from American democracy to Wonder Woman.

Abridged by Eileen Horne
Read by Laurel Lefkow
Producer: Eilidh McCreadie