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Ever wonder exactly which messaging service Katy Perry uses to chat about being a champion while she’s taking a dump? Well, mystery solved: It’s WhatsApp. In just a few days, millions have already watched the lyric video for Perry’s new single, "Roar," which is told through a rapid-fire group chat on Perry’s iPhone. The video’s popularity, while no real surprise, has definitely been an unexpected boost for WhatsApp, the mobile messaging service that’s featured throughout the video—despite not paying Perry a dime for the endorsement.
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