Which retail strategy innovation most significantly expanded the market for authentic WWII memorabilia in the early 2000s?

The retail landscape for military collectibles and memorabilia has undergone significant changes over the decades. From local surplus stores to global online marketplaces, the way enthusiasts and collectors acquire military artifacts has evolved dramatically. This poll tests your knowledge about a pivotal retail strategy shift that transformed how military collectibles are marketed and sold in the modern era.

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The introduction of blockchain authentication certificates for provenance verification
The shift to subscription box models for military collectibles
The establishment of exclusive department store military history sections
The development of AR apps for visualizing collectibles in home displays