Which failed retail innovation from the 1990s introduced the concept of 'showrooming' that later became standard practice in modern retail?

Some of history's most innovative retail concepts failed spectacularly but left lasting impacts on how we shop today. These pioneering retail experiments may have disappeared from our malls and main streets, but they fundamentally altered business strategies and consumer expectations. Test your knowledge of these influential retail failures that paradoxically helped shape modern commerce.

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Circuit City's DIVX disc rental-purchase hybrid system
Borders' concept stores with digital kiosks but no e-commerce strategy
Gateway Country Stores where customers could try computers but had to order for home delivery
Blockbuster's 'Entertainment Superstore' with integrated media departments