The National Football League is starting its own YouTube channel and Major League Baseball, which began streaming games online 13 years ago, bought the rights to manage the National Hockey League’s Web operations. But action sports — including surfing, skateboarding and snowboarding — rule millennials’ viewing time on their mobile phones. Although Americans are still watching less video on mobile phones than traditional TV, action sports on mobile channels is a parallel universe of sports viewing and is likely to remain so. Continue reading Why Action Sports Dominate Mobile Viewing Time of Millennials