Hundreds of contractors working on a project for Meta were instructed to pose as minors online and probe how competitor chatbots responded to prompts involving suicide, sex, eating disorders, and other high-risk subjects, according to internal documents and five people familiar with the project.The effort, which was managed by Meta contractor Covalen, was active as recently as April 21. Known internally as Cannes, it targeted OpenAI’s ChatGPT, Google’s Gemini, and Character.AI. The project asked...