I do hope there will always be paper copies around, because how long will we have the technology to be able to read e-books in the formats we have now? Even without an apocalypse scenario, that's something that worries me. And if most of humanity is wiped out, yes, I do believe that the survivors' priorities will be elsewhere for at least a few generations. Like getting away from all those unattended nuclear plants and assorted dangerous materials stockpiles, for one thing
