The principles of good design established by Dieter Rams remain highly relevant to AI products. Good AI should focus on solving real user problems, reducing complexity, being transparent about its limitations, and staying unobtrusive rather than constantly demanding attention. Key design priorities include making AI useful, understandable, honest, reliable, and efficient. Rather than adding features for their own sake, AI should simplify workflows, communicate uncertainty clearly, handle failures gracefully, and use only as much technology as necessary. The core idea is that great AI design is ultimately about restraint: prioritizing human needs over technological possibilities and removing unnecessary complexity instead of adding more.