The electronic commerce with digital content over the open, unsecured network like the Internet provides opportunities as well as risks for content providers. So far, most content providers of media and entertainment content such as music, film, or print content have not been successful or profitable in charging consumers for their products. Nor have they been successful in creating the technology frameworks required to remunerate on the one-hand content owners and on the other hand protect against piracy. The recent emergence of Digital Rights Management Systems (DRMS) provides an instrument for content providers to protect and exploit their digital content to consumers and simultaneously fight against piracy.
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