Spotify will overtake iTunes in two years, claims 'Social Network' billionaire Sean Parker
Streaming service is already number two after iTunes More than 10 million users after tie-up with Facebook Tech billionaire claims music companies will earn more throughSpotify
By Rob Waugh
PUBLISHED: 08:33 GMT, 16 March 2012 | UPDATED: 02:49 GMT, 17 March 2012