According to newly unsealed filing in the case of several authors against Meta for copyright infringement, plaintiffs note that Meta’s documents show that the tech company knowingly used pirated material to train their AI tool Llama, even after employees raised flags that it was unethical and looked into paying for licenses. According to the filing, in one document, a Meta employee stated that she’d “been helping with buying content” from a redacted textbook publisher. Other internal messages “openly discuss licensing efforts and weigh the tradeoffs of using pirated textbooks and other copyrighted works from LibGen instead, including a statement that …