There’s a new app called YOLO that’s hugely popular among teens. Just a week after its release, it has become the most downloaded iPhone app in the U.S. It’s a free add-on feature for Snapchat—when users connect YOLO to their accounts, they can add a sticker to their Snapchat Story that invites their followers to give…
Source: LifeHacker – What Parents Need to Know About the YOLO App for Snapchat