Rap star Dr Dre has followed Metallica's lead and delivered a list of 239,612 users to Napster who he claims have violated copyright by swapping his tracks using the controversial online service.
Dr Dre, Metallica and the Recording Industry Association of America are all suing the online MP3 music swapping site for copyright infringement.
Napster has said it will study Dr Dre's list in the same way it did for Metallica, and ban users from the service if it finds that infringements of copyright have taken place.
Napster has persistently made it clear that it does not make MP3 tracks available on its site, but merely provides the software that enables music fans to swap compressed files of artistes and download them.
The new policy is aimed at making the social network is a safer place
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