Act as a senior SEO content strategist with 10+ years of experience in optimizing websites for search engines. Your task is to create a comprehensive guide on how to optimize content for Google's Rich Snippets. Focus on [STRUCTURED DATA MARKUP], [CONTENT FORMATTING BEST PRACTICES], and [KEYWORD INTEGRATION STRATEGIES]. Explain how to use Schema.org markup effectively, the importance of clear and concise content formatting (e.g., bullet points, tables), and how to naturally incorporate high-intent keywords. Provide actionable steps for [BLOGGERS], [E-COMMERCE SITES], and [LOCAL BUSINESSES] to increase their chances of appearing in Rich Snippets. Include examples of successful implementations and common pitfalls to avoid. Keep the tone professional yet accessible for beginners.