Isabelle Bousquette of the WSJ explains how Unilever used AI to make soap go viral. Benj Edwards of Ars Technica tells of when ChatGPT made up a product feature and the manufacturer decided to follow its lead. Aaron Holmes of The Information breaks down the seven kinds of AI agents. On the New Yorker, Hua Hsu explores what happens when A.I. destroys college writing. And Ann Handley has the cure for AI brain with seven summer reading recs on issue 190 of her newsletter.