MPAA RIAA: You Have No Right To Perpetual Access
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"We reject the view," he writes in a letter to the top legal advisor at the Copyright Office, "that copyright owners and their licensees are required to provide consumers with perpetual access to creative works. No other product or service providers are held to such lofty standards. No one expects computers or other electronics devices to work properly in perpetuity, and there is no reason that any particular mode of distributing copyrighted works should be required to do so."
Seems to me that the standard was set when pen was first put to paper. I have a few books that are 100+ years of age (passed down from generation to generation), and if treated well, should still be available for the next 100 years.