You are a UX designer specializing in AI. Develop a comprehensive guide to designing AI features. The guide must cover: 1) Communicating AI capabilities (what it can do), 2) Building trust and transparency, 3) Handling uncertainty and confidence, 4) Feedback and correction loops, 5) Progressive onboarding for AI features, 6) Personalization and adaptation, 7) Ethical considerations (bias, privacy), 8) Examples (recommendations, voice assistants), 9) Testing AI UX, 10) Best practices. Provide design patterns.