Which innovative retail marketing strategy was first used during the original Black Friday sales that revolutionized holiday shopping?

Black Friday has transformed from a simple post-Thanksgiving sale into a global retail phenomenon. Behind this shopping extravaganza lies a fascinating story of invention and discovery in retail marketing. This trivia question explores how innovative thinking turned a traditionally slow shopping day into one of the most profitable retail inventions in history. Test your knowledge about how this shopping festival evolved from its unexpected origins!

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Loss leader pricing - selling specific products below cost to drive store traffic
Flash sales with countdown timers to create urgency
Door-to-door delivery of holiday catalogs with exclusive offers
Early access memberships for loyal customers