The long-running soap, Coronation Street, was broadcast live last night - this morning New Zealand time. Eleven cameras on various sets shot the scenes live. And during the ad breaks, there was interaction with viewers on social media. When Corrie first aired, it was always broadcast live - as was always the case in TV back then. But could this new live interactive format be the future for soaps? We talk to Shortland Street's producer, Simon Bennett.