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Originally Posted by Shaggy
Which would probably happen a lot quicker than you might think.
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I really struggle to see that people whipping out their Scanning Electron Microscopes to extract a single-book key (wrecking the reader in the process) would be particularly common.
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Also, what happens when your customers are demanding to be able to read the content on their PC? Every format I know of also has a PC version of the application/reader (which is where the circumvention usually happens). Hardware protection (whatever that was really worth to begin with) goes out the window in that case.
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PCs are clearly more problematic.
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However it's implemented (whether you give the key or come up with some other scheme), the end user controlled device needs to be able to access the content. As soon as you allow that, you've lost control of the content. DRM only gives you back the illusion of control.
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I don't disagree, I was simply pointing out that there are ways to do it which don't involve being given the key. Clearly, given that the (human) reader can read the book they can always transcribe it manually, so that sets an upper bound on how hard it can ever be. I'm just saying that schemes can be devised which get much closer to this upper bound.
Please note that I'm not defending DRM on ebooks - I think it should go, and it's only a matter of time before it does.
/JB