Which innovative retail strategy was first introduced during Record Store Day that has since become an industry standard for limited vinyl releases?

Record Store Day has become a pivotal retail event in the music industry, driving foot traffic to physical music stores and creating exclusive product releases. Since its inception in 2008, it has evolved with various retail strategies and merchandising approaches that have influenced the wider music retail landscape. Test your knowledge about this significant music retail phenomenon that has helped revitalize physical music sales in the streaming era.

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Color-coded vinyl exclusivity tiers (gold for super-limited, silver for limited, bronze for standard)
Split-store distribution model (where each store gets completely different exclusive products)
Numbered limited editions with store-specific holographic authentication stickers
Digital blockchain certificate with each vinyl purchase that unlocks exclusive streaming content