Cross told Barrett of his plans to quit Facebook last night at the 2014 Sundance Film Festival, where his dark comedy is being shown. As Cross puts it: Ironically, social media plays a major role in Cross’s new film. Hits tells the story of a municipal worker living in a small town whose video rants at City Hall go viral, making him famous overnight. As a Facebook quitter, Cross will be in good company. Teenagers have been leaving the king of all social networks in droves. And, as with most trends, this demographic may be the early-adopters of a growing problem for Facebook. According to a new study from Princeton University, Facebook will lose 80 percent of its users between 2015 and 2017. Check out the video below: