NPR's Juana Summers speaks with 404 Media cofounder and reporter Emanuel Maiberg about his investigation into a shipment of rare books which ended up at an Amazon AI training warehouse.
Source: [NPR Technology](https://www.npr.org/2026/08/19/nx-s1-5936438/why-tech-companies-are-buying-up-tons-of-rare-old-books-to-train-their-ai-models)