DRM is a concept to be taken seriously, and I often wonder who is the equivalent of RMS in the literature world (?).<p>Imagine for a moment. Kindle books cost 57.59 dollars, only a few dollars cheaper than Hardcopy books. Along with hardcopy books, Kindle books have a concept of &quot;renting&quot;, &quot;monthly membership&quot; to read it on your device at your home.<p>And at any moment, the document in the cloud can be wiped out with you knowing.<p>Writing software is a similar challenging task as writing a book and Fortunately, we do not face this problem in Software world, where high-quality software under various Free and Open Source licenses are available at all times.<p>RMS ensured that anything under GPL cannot be taken away in any form from the users.<p>We need an equivalent of RMS in the literature world so that we can have freedom to read anything, at any time, while at the same time, while ensuring the protection and credit for the author of the original work.