PRH's changing of its copyright wording to combat AI training makes it the first of the Big Five publishers to take such an action against AI, at least publicly. Mashable has reached out to the remaining Big Five trade publishers — Hachette, HarperCollins, Macmillan, and Simon & Schuster — for comment.

Artificial intelligence makers have faced a mountain of criticism for borrowing from the work of others to train its models. Now the world’s largest publishing house is taking steps to ensure its authors don’t have their work plagiarized in the name of progress.

The copyright page on new books and reprints now says they can’t be used or reproduced ‘for the purpose of training artificial intelligence.’