Twitter - How Will it Make a Profit?
Mal Fletcher on BBC Radio
Twitter has launched on the New York Stock Exchange. But how might it be monetised?
Will commercialisation mean that it becomes less popular for users, especially younger people? What role does social media play in today's world?
Mal Fletcher, the social futurist, and fellow guest John Hoy, CEO of Blenheim Palace, discuss this with the BBC's arts editor Will Gompertz.