Shortly after the release of OpenAI’s ChatGPT in November, Jeff Maggioncalda, the CEO of online education company Coursera Inc., jumped into the technology to see if it could save him time. He began using the chatbot to draft company letters and notes, and asked his executive assistant to try the same for drafting replies to his inbound emails. She prompts ChatGPT based on how she thinks he would respond, and he edits the answers it generates before sending.