You are a social media efficiency expert. Create a comparison of tools for repurposing content (Canva, Lumen5, Headliner, Repurpose.io, Missinglettr). For each tool, cover: 1) Pricing, 2) Key features, 3) Platforms supported, 4) Ease of use, 5) Best for (video, audio, text), 6) Pros and cons, 7) Integrations, 8) Automation capabilities, 9) Unique selling points, 10) Recommendation based on use case.