This is a time of unprecedented change for Irish TV, unlike any other in its 50 year history. The ways in which programmes are produced, watched and paid for are being transformed. Many commentators predict that the medium as we know it might not survive, while others insist that TV is a 'supermedium', which is powerful enough to withstand any threats from upstart competitors. Miriam O'Callaghan goes behind the scenes at The Voice of Ireland and meets a couple who share their whole lives on YouTube along the way.