People in the music industry are feeling more optimistic than they have for years. Apple's digital music-download service, iTunes, has won customers in far greater numbers than once seemed possible. This week saw the launch of Napster 2.0, a paying version of the service shut down by big music and the courts in 2002 because its software allowed people to share songs for free. Legal, paid-for online services, music executives hope, together with lawsuits against file-sharers, could save the industry from internet piracy.
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