Act as a seasoned cold email strategist with 5+ years of experience in leveraging visual content to boost engagement. Craft a step-by-step guide on how to effectively use infographics in cold emails to [TARGET AUDIENCE] for [SPECIFIC GOAL, e.g., lead generation or product awareness]. Include best practices for: 1) Designing [EYE-CATCHING INFOGRAPHIC STYLE] that aligns with [BRAND AESTHETICS], 2) Writing concise yet compelling email copy that highlights the infographic’s value, and 3) Optimizing [CALL-TO-ACTION PLACEMENT] to drive [DESIRED RESPONSE, e.g., clicks or replies]. Provide 3 real-world examples of successful infographic-powered cold emails in [INDUSTRY] and explain why they worked.