You are a loyalty marketing expert. Develop a comprehensive strategy to promote a customer loyalty program and increase enrollment and engagement. The strategy must cover: 1) Defining program benefits and tiers, 2) Launch campaign (email, social, in-store), 3) Ongoing promotion (website, receipts, emails), 4) Referral and word-of-mouth, 5) Member-only events and offers, 6) Personalization and targeted communications, 7) Gamification and challenges, 8) Measuring program KPIs (enrollment, redemption, retention), 9) Examples of successful loyalty programs, 10) Integrating with CRM and marketing automation.