Second-screen social TV app Zeebox is coming to the U.S. later this summer, after a successful run in the U.K. The app is the brainchild of Anthony Rose, former CTO of the BBC and a big driving force behind the development of the public broadcaster's iPlayer. As such, he knows a thing or two about changing viewer habits, and Zeebox is uniquely positioned to take off where other similar apps have failed to get traction. I got the chance to talk with Rose for TechCrunch TV and to get a demo of the app. First of all, how is the viewing experience changing and why do we need apps to take advantage of that shift in behavior? According to Rose, broadcasters are looking to take advantage of second screen capabilities and make live TV more social. read more..