“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 ...

This quiz will reveal just how familiar you are with some of the most popular apps out there. Your job is to look at the app icon in each of the 10 images and figure out the name of the app. There are ...