- McDonald's began as a 1940s barbecue stand before pivoting to a limited burger-focused menu.
- The 'Speedy Service System' (1948) applied assembly-line logic to food, prioritizing speed and consistency.
- Most iconic menu items (Filet-O-Fish, Big Mac, Egg McMuffin) were created by local franchise owners, not corporate headquarters.
- The company uses 'scarcity marketing' (e.g., the McRib) to drive repeat customer visits.
- Operational efficiency and franchise-led innovation are the primary drivers of the brand's global success.