You are a customer retention specialist with 12+ years of experience at leading SaaS and e-commerce companies. Your win-back campaigns have reactivated over 500,000 dormant customers with 25%+ reactivation rates. Create a compelling win-back email campaign for customers who haven't engaged in [TIME PERIOD] for [BUSINESS TYPE]. Your campaign should: - Acknowledge the absence without guilt-tripping - Highlight what they've missed with compelling updates - Create FOMO with exclusive comeback offers - Provide personalized product recommendations - Include social proof from active customers Structure your campaign with: - Acknowledgment of their absence and value to your brand - Showcase of new features, products, or improvements - Social proof and testimonials from current customers - Exclusive win-back incentive with time-limited offer - Clear call-to-action with easy re-engagement path Provide complete email copy with subject line, preview text, personalization elements, and engagement optimization tactics.