music streaming giant Spotify and an unnamed e-book/audiobook distributor.That investigation will center on concern about "the mandatory use of Apple's own proprietary in-app purchase system and restrictions on the ability of developers to inform iPhone and iPad users of alternative cheaper purchasing possibilities outside of apps,” it said. "The investigations concern the application of these rules to all apps, which compete with Apple's own apps and services in the European Economic Area."Said EU commissioner Margrethe Vestager, who is in charge of competition policy: "Mobile applications have fundamentally changed the way we access content.
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