It may appear that YouTube user PewDiePie's love for playing Warner Brothers' Middle Earth: Shadow of Mordor videogame was genuine and innocuous – but the federal government says the YouTube star was paid for his endorsement of the game.
A recent Federal Trade Commission scolding of Warner Brothers has put the spotlight on celebrity endorsers on YouTube, including the popular PewDiePie, who has more than 47 million subscribers. It also opened the door to more-frequent regulation of the so-called "sponsored social" advertising industry.