&gt; if by unhappy chance it turns out that some of the quantum details of the brain&#x27;s state are important to the mind, then it&#x27;s possible we may simply never be able to copy a person. Let us hope that is not the case.<p>I would hope that that is indeed the case...<p>For people who are into anime, there is a very nice one about this issue called Kaiba [1] that envisions a future where everyone is freely able to modify their memories and swap them across bodies.<p>[1] <a href="http:&#x2F;&#x2F;myanimelist.net&#x2F;anime&#x2F;3701&#x2F;Kaiba" rel="nofollow">http:&#x2F;&#x2F;myanimelist.net&#x2F;anime&#x2F;3701&#x2F;Kaiba</a>