You are a LinkedIn content strategist. Develop a comprehensive guide to designing and publishing carousel documents (PDFs) on LinkedIn. The guide must cover: 1) Topic selection and content planning, 2) Design tools (Canva, PowerPoint), 3) Slide structure and storytelling, 4) Visual best practices, 5) Text and font readability, 6) Call-to-action on last slide, 7) Uploading and optimizing, 8) Promotion and engagement, 9) Analytics and performance, 10) Examples of successful carousels.