- digital rights management
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Digital rights management (DRM) is a generic term that refers to access control technologies used by hardware manufacturers, publishers and copyright holders to limit usage of digital media or devices.
It can also refer to restrictions associated with specific instances of digital works or devices.
DRM overlaps with software copy protection to some extent, however the term "DRM" is usually applied to creative media (music, films, etc.) whereas the term "copy protection" tends to refer to copy protection mechanisms in computer software.
Digital rights management has been and is being used by content provider companies such as Sony, Apple Inc., Microsoft and the BBC.
The use of digital rights management is controversial.
Advocates argue it is necessary for copyright holders to prevent unauthorized duplication of their work to ensure continued revenue streams.[1] Opponents, such as the Free Software Foundation, maintain that the use of the word "rights" is misleading and suggest that people instead use the term Digital Restrictions Management (DRM). Their position is essentially that copyright holders are attempting to restrict use of copyrighted material in ways not covered by existing laws.[2] The Electronic Frontier Foundation, and other opponents, also consider DRM systems to be anti-competitive practices.[3]
Source: Wikipedia (http://en.wikipedia.org/wiki/Digital_rights_management)
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