Digital Rights Managment
Digital rights management (DRM) is a class of controversial access control technologies that are used by hardware manufacturers, publishers, copyright holders, and individuals with the intent to limit the use of digital content and devices after sale. DRM is any technology that inhibits uses of digital content that are not desired or intended by the content provider. DRM also includes specific instances of digital works or devices. Companies such as Amazon, AT&T, AOL, Apple Inc., Google[1], BBC, Microsoft, Electronic Arts, and Sony use digital rights management. In 1998, the Digital Millennium Copyright Act (DMCA) was passed in the United States to impose criminal penalties on those who make available technologies whose primary purpose and function are to circumvent content protection technologies.[2]
The use of digital rights management is not universally accepted. Some content providers claim that DRM is necessary to fight copyright infringement online and that it can help the copyright holder maintain artistic control[3] or ensure continued revenue streams.[4] Proponents argue that digital locks should be considered necessary to prevent "intellectual property" from being copied freely, just as physical locks are needed to prevent personal property from being stolen.[5] Those opposed to DRM contend there is no evidence that DRM helps prevent copyright infringement, arguing instead that it serves only to inconvenience legitimate customers, and that DRM helps big business stifle innovation and competition.[6] Furthermore, works can become permanently inaccessible if the DRM scheme changes or if the service is discontinued.[7]
Digital locks placed in accordance with DRM policies can also restrict users from doing something perfectly legal, such as making backup copies of CDs or DVDs, lending materials out through a library, accessing works in the public domain, or using copyrighted materials for research and education under fair use laws.[5] Some opponents, such
The use of digital rights management is not universally accepted. Some content providers claim that DRM is necessary to fight copyright infringement online and that it can help the copyright holder maintain artistic control[3] or ensure continued revenue streams.[4] Proponents argue that digital locks should be considered necessary to prevent "intellectual property" from being copied freely, just as physical locks are needed to prevent personal property from being stolen.[5] Those opposed to DRM contend there is no evidence that DRM helps prevent copyright infringement, arguing instead that it serves only to inconvenience legitimate customers, and that DRM helps big business stifle innovation and competition.[6] Furthermore, works can become permanently inaccessible if the DRM scheme changes or if the service is discontinued.[7]
Digital locks placed in accordance with DRM policies can also restrict users from doing something perfectly legal, such as making backup copies of CDs or DVDs, lending materials out through a library, accessing works in the public domain, or using copyrighted materials for research and education under fair use laws.[5] Some opponents, such