Which gaming company first implemented a successful in-game advertising platform that allowed real-world brands to purchase billboard space in a virtual world?

In the ever-evolving landscape of gaming and virtual worlds, marketing strategies have transformed dramatically. Some campaigns have become legendary for their innovation or impact on the industry. This trivia question focuses on a pivotal digital marketing moment that changed how games and virtual experiences are promoted. Test your knowledge of gaming industry history and marketing milestones!

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Massive Incorporated in partnership with Anarchy Online (2005)
Second Life's Linden Lab with their LindeX Exchange (2006)
Blizzard Entertainment with World of Warcraft banner ads (2004)
Sony Online Entertainment with EverQuest branded quests (2003)