ITN has unveiled an ambitious expansion strategy to reduce its dependence on news bulletins and boost revenues by 50% in five years. John Hardie, chief executive of the multimedia company that produces news for ITV, Channel 4 and Channel 5, unveiled plans to boost production revenues and reduce dependence on the broadcast news operation for which ITN is best known. Under the aggressive plan he explained to staff on Monday, ITN Productions, which makes commercials and TV programmes.