 C4 and Brian Neiman. Baltimore's live and local radio show. WBAL News Radio 1090. FM 101.5. And the WBAL radio app. Snapchat, and I'm sure you're a very regular user, Bobby Zirkin, attorney of Snapchat. They have 20 million teens, according to their CEO, that use this particular app. But only 200,000 of their teens use the Family Center Controls.