Which gaming retail digital transformation strategy first introduced the 'play now, buy later' model that significantly reduced customer churn in digital storefronts?

The gaming industry has undergone massive digital transformation in retail channels over the past decade. From physical cartridges and discs to digital storefronts and subscription services, the way games are sold and distributed has fundamentally changed. This trivia question tests your knowledge about a pivotal moment in gaming retail's digital evolution that reshaped customer engagement strategies across the industry.

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Steam's refund policy allowing returns after less than 2 hours of gameplay
Game Pass's subscription model offering full access to hundreds of games
Game demos on digital storefronts with progress transfer to full games
Free-to-play games with microtransaction business models