Which famous 1950s retail marketing innovation first introduced the concept of 'psychological obsolescence' to encourage consumers to purchase new products before their old ones wore out?

Retail marketing has transformed dramatically throughout history, with various innovations shaping how products reach consumers. From ancient marketplaces to digital storefronts, marketing strategies have evolved in fascinating ways. This poll tests your knowledge about a pivotal moment in retail marketing history that changed how products were advertised and sold to the masses.

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Planned Style Obsolescence by General Motors' Alfred Sloan
The Sears Catalog's seasonal rotation system
Woolworth's 'New Every Week' display program
Montgomery Ward's 'Modern Living' campaign