World radio day: an opportunity to celebrate an unsung hero | Amy O'Donnell

World Radio Day celebrates radio's role in empowering people in remote communities – not just as a source of information, but increasingly as a way to make their own voices heard In a world of increasing opportunities to participate in public debate online via social media, the blogosphere and comments on news sites, the first World Radio Day on 13 February, organised by Unesco, reminds us to …