How soon will TV transform from wall-mounted 4K flat-screens to a 99-cent app in a VR/AR App Store? That's a question few will ponder this week as the National Association of Broadcasters gathers in Las Vegas for the NAB Show 2016. TV has both defined and enlarged mass communication for more than a half-century. No one in their right mind would suggest that big-screen TVs might go away – ever! Well, no one ever said I was in my right mind.