Peter Day's World of Business

Peter Day looks at the business of mobile gaming and how smart phones have opened up huge new markets for the industry. Including an interview with Mikael Hed of the Finnish company, Rovio, whose Angry Birds app has become a global phenomenon, with over a billion downloads. Also featured on the programme are Silicon Valley company Zynga, makers of the hugely popular Facebook game Farmville, and smaller developers from Italy, the USA and the UK. Producer: Mike Wendling Editor: Stephen Chilcott