By Martin Bergmann | AI Project Lab | October 2026 Look at the sidebar of your AI chat history. Every conversation has a title the AI wrote for you, a one-line summary of what you asked, something like “options for the delayed vendor contract.” That line describes your problem better than most email subject lines do. A new paper asks where it goes. What the researchers found. Researchers at IMDEA Networks in Spain tested nine widely used AI chat services in May 2026 on both t