Prohibition of technical measures

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The prohibition of technical measures relates primarily to DRM technologies (Digital rights management). DRM technologies restrict the use of a work, e.g. the distribution of a CD with copy protection that negates the right of reproduction, the right to distribute and the right to edit. Access restrictions are not covered by this prohibition, e.g. when a CC work can only be viewed with a password and username, as long as the user is free to copy and redistribute the work and also edit it upon gaining access to it.