Which digital distribution platform, launched in 2003, revolutionized PC game retail by introducing a centralized library system that would eventually make physical game discs largely obsolete?

The gaming industry has evolved dramatically in how games are sold and distributed to players. Physical retail once dominated the landscape with game boxes lining store shelves, but digital distribution platforms changed everything. This poll tests your knowledge about a pivotal moment in gaming retail history that transformed how players purchase and access their games, shifting the industry from physical to digital distribution models.

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Steam (by Valve Corporation)
Origin (by Electronic Arts)
GOG Galaxy (by CD Projekt)
Epic Games Store (by Epic Games)