Which gaming marketplace was the first to implement a user review system combined with algorithmic recommendations that significantly transformed game discovery and digital merchandising?

The gaming industry has transformed retail experiences through innovative digital storefronts and marketplaces. From physical game cartridges to fully digital distribution platforms, gaming has pioneered new retail strategies that blend convenience, community features, and data analytics. This poll tests your knowledge about a significant turning point in gaming retail that changed how games are marketed and sold forever.

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Steam (Valve Corporation, 2003)
PlayStation Store (Sony, 2006)
Xbox Live Marketplace (Microsoft, 2005)
App Store (Apple, 2008)