Which of these popular consumer products was originally developed for military use during WWII and later became a retail sensation due to innovative marketing that transformed it from a battlefield necessity to a household staple?

Throughout history, many military innovations have made their way into civilian retail markets, transforming consumer products and shopping habits. These military-to-civilian technology transfers have created billion-dollar industries and changed how we shop. Test your knowledge about these influential crossover products and their impact on retail consumer trends. Do you know which military developments have shaped the products in your home?

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Duct tape, originally called 'duck tape' and developed for the U.S. military to keep ammunition cases dry, later marketed to civilians for household repairs
Post-it Notes, first created as a lightweight communication tool for battlefield messages that later revolutionized office supplies through 3M's civilian marketing
Zippo lighters, designed specifically for U.S. troops in WWII and later becoming a civilian fashion accessory through celebrity endorsements
Tupperware containers, developed to preserve military rations and later becoming a household phenomenon through the innovative Tupperware party retail strategy