Just two years ago, Lorraine He, now a 24-year-old law student,  was told to avoid using AI for her assignments. At the time, to get around a national block on ChatGPT, students had to buy a mirror-site version from a secondhand marketplace. Its use was common, but it was at best tolerated and more often frowned upon. Now, her professors no longer warn students against using AI. Instead, they’re encouraged to use it—as long as they follow best practices. She is far from alone. Just like those i...