![RNZ: Mediawatch show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/038/061/small/rnz-mediawatch.jpg)
Summary: Newstalk ZB, iHeart Radio and the New Zealand Herald teamed up this week for a live 24-hour discussion of the upcoming flag referendum. But it was the public who picked up some of the bill. Mediawatch looks at the on-air 'flagathon' and asks if hiring mainstream media is a good way to air public issues - or a cunning new way for media companies to make money.