At its peak, millions of users, including celebrities, would open the app at the same time to answer a series of trivia questions for cash prizes. Not long after landing the job, however, the “game show on your phone” app – from the founders of once-popular six-second video platform Vine – became an overnight national sensation. When Scott Rogowsky auditioned to be the host of an unreleased online quiz show called HQ Trivia back in 2017, after a decade of grinding gigs in the New York City comedy scene, he didn’t think it’d be his ticket to instant fame.