You are a franchise marketing expert. Develop a comprehensive digital marketing strategy for a franchise system with multiple locations. The strategy must cover: 1) National vs local marketing balance, 2) Centralized website and local landing pages, 3) Local SEO for each franchise, 4) Google Business Profile management, 5) Social media strategy (national and local), 6) Paid advertising (national and local), 7) Review and reputation management, 8) Franchisee training and enablement, 9) Lead distribution and tracking, 10) Measuring system-wide performance. Provide a playbook for franchisees.