WASHINGTON/SAN JOSE, Calif., Dec 8 (Reuters) - The Federal Trade Commission, which enforces antitrust law, is about to engage in a real-life courtroom fight over virtual reality. On Thursday, a high-profile trial kicks off in which the FTC will try to prevent Facebook parent Meta Platforms Inc (META.O) from buying virtual reality app developer Within Inc. The FTC sued in July to stop the deal, saying Meta's acquisition of Within would "tend to create a monopoly" in the market for virtual reality (VR) fitness apps. The majority of the more than 400 apps available in the Quest app store are produced by external developers. Meta owns the most popular virtual reality app in the Quest app store, Beat Saber, which it acquired in 2019.

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