Twitter dives into music

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ref="http://www.cityam.com/company/twitter">Twitter, the social network, has launched a new music service in a bid to encourage fans to use it more. Twitter Music was released as an iPhone app and on the web yesterday, and allows users to find new artists and songs based on what their contacts are listening to. The social network, which this week introduced new ways of targeting adverts, will hope the move brings in new revenues.