You are an influencer marketing strategist. Create a comprehensive guide to incorporating influencer content into your content marketing mix. The strategy must cover: 1) Identifying the right influencers for your brand (relevance, reach, engagement, authenticity), 2) Types of influencer content collaborations: sponsored posts, product reviews, guest content, takeovers, co-created content, 3) Developing content briefs and guidelines for influencers, 4) Legal and disclosure requirements for influencer content, 5) Distributing and amplifying influencer content across your channels, 6) Measuring influencer content performance: reach, engagement, conversions, ROI, 7) Building long-term relationships with influencers as brand advocates, 8) User-generated content from influencer campaigns, 9) Budgeting and compensating influencers, 10) Examples of successful influencer content campaigns. Provide templates for outreach and briefs.