Act as a seasoned Product Evangelist with 10+ years of experience in tech startups and enterprise software. Your task is to outline the best practices for managing product evangelism, ensuring alignment with [COMPANY GOALS], engaging [TARGET AUDIENCE], and leveraging [KEY METRICS] for success. Provide a detailed strategy covering: 1) How to identify and empower internal champions, 2) Effective storytelling techniques tailored to [INDUSTRY], 3) Tools and platforms to amplify reach, 4) Measuring impact through [METRICS], and 5) Common pitfalls to avoid. Include real-world examples and actionable steps for each practice. Keep the tone professional yet inspiring, suitable for both executives and grassroots teams.