> <i>in line with the idea that we live in a multiverse, a prediction first made by David Deutsch.</i><p>I think Hugh Everett beat him to it:<p><a href="https://en.wikipedia.org/wiki/Hugh_Everett_III" rel="nofollow">https://en.wikipedia.org/wiki/Hugh_Everett_III</a><p><a href="https://en.wikipedia.org/wiki/Many-worlds_interpretation" rel="nofollow">https://en.wikipedia.org/wiki/Many-worlds_interpretation</a>
Wheeler and Everett being over 60 years ago this can't be called especially ground breaking. The interesting question would be how information might flow.<p>"Must have" is begging the question. Really, Google staffers emoting adds nothing.<p>"Lends credence" is more plausible. It's consistent.<p>This still feels like a purpose specific problem solver not a general purpose computer. Steps along a road.
you might as well say that it proves time-travel is possible.
<a href="https://en.wikipedia.org/wiki/Two-state_vector_formalism" rel="nofollow">https://en.wikipedia.org/wiki/Two-state_vector_formalism</a>