Which gaming company first introduced a persistent virtual marketplace where players could purchase and trade digital items using real currency, effectively pioneering the virtual goods economy?

The intersection of gaming and retail has created innovative ways for brands to reach players in virtual worlds. From in-game purchases to fully immersive shopping experiences, companies are finding creative methods to position their products within gaming environments. Test your knowledge about how major gaming platforms have revolutionized virtual retail spaces and changed consumer behavior in digital worlds.

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Valve Corporation (with Steam Community Market in 2012)
Epic Games (with Fortnite Item Shop in 2017)
Blizzard Entertainment (with World of Warcraft Auction House in 2004)
Sony Interactive (with PlayStation Home in 2008)