Which retail marketing innovation, introduced in the 1920s, revolutionized customer engagement by using consumer psychology research to create targeted demographic profiles and is considered the foundation of modern personalization?

Before digital personalization and AI-driven recommendations, retail marketing underwent a revolutionary transformation in the early 20th century. This poll explores a pivotal moment when retail marketing strategies fundamentally changed, establishing practices that would evolve into today's sophisticated customer engagement techniques. Test your knowledge of retail marketing history!

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Market segmentation by Ernest Dichter's Motivational Research
Montgomery Ward's universal pricing catalogs
Sears' regional inventory distribution system
Macy's seasonal promotional calendar