Adweek: Sports Illustrated has been around for 62 years, but it’s a newbie when it comes to mobile. SI’s new mobile app houses all of its offerings under one roof. One key feature is the ability for users to “pin” videos — allowing them to watch clips in the corner of their screens while navigating the app. Since users won’t have to shut off the video when they want to explore other content, SI hopes this leads to more views.