Which gaming platform first introduced a revolutionary revenue-sharing model for independent developers that became a standard for digital storefronts in the industry?

The gaming industry has pioneered unique e-commerce platforms and strategies that have revolutionized how digital products are sold and distributed. From in-game purchases to massive digital marketplaces, gaming has transformed online retail. Test your knowledge about the evolution of e-commerce platforms in the gaming and virtual worlds industry with this trivia question!

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Steam (Valve) with its 70/30 revenue split introduced in 2003
Xbox Live Arcade (Microsoft) with its indie developer program in 2005
PlayStation Network (Sony) with its self-publishing initiative in 2008
App Store (Apple) with its digital distribution platform in 2008