Which food technology innovation did McDonald's founder Ray Kroc implement in the 1960s that revolutionized food consistency across all franchise locations?

The fast food industry has seen many revolutionary product launches that transformed how we eat. Some innovations became industry standards, while others quietly changed operations behind the scenes. This poll tests your knowledge about a pivotal moment in fast food history that fundamentally altered how a major company approached its supply chain and product consistency.

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• The QSCV (Quality, Service, Cleanliness, Value) system for restaurant management
• The Automatic Milkshake Mixer that could make five milkshakes simultaneously
• The Cold Chain distribution system for nationwide ingredient consistency
• The Speedee Service System that standardized kitchen operations

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