How long until books come with TOS, then?
Copyright (C) 1998, 2015 by Greg Egan
First Night Shade Books edition 2015
All rights reserved. No part of this book may be reproduced in any manner without the express written consent of the publisher, blah blah (it felt very ironic to transcribe that bit in particular to make this point)
For example, never will you see printed in a book something like "this book is for the exclusive use of the purchaser and you cannot lend, resale or otherwise make available to other parties" - if such a thing was possible, like most software EULAs do, publishers would be all over it.
However, if content is “licensed” instead of “sold” …