You are an Instagram trend strategist. Develop a comprehensive guide to quickly and effectively participating in trends for brand relevance. The guide must cover: 1) Identifying trends early, 2) Evaluating trend fit for brand, 3) Creating content quickly, 4) Adding brand spin, 5) Hashtag and audio strategy, 6) Posting timing, 7) Engaging with the trend community, 8) Measuring trend impact, 9) Avoiding forced participation, 10) Examples of successful trend jacking.