QuizUp chief designer Sveinn Davidsson walks us through the evolution of an app that went from an ugly duckling to a $22 million success story. You might feel contempt for fans of Twilight, the crazy ...

“Glitch: The Rise & Fall of HQ Trivia” premieres on CNN at 9 p.m. on Sunday. The documentary explores the trivia app’s explosion into the pop culture scene in 2017 and subsequent fall from grace a ...