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256 pages, Hardcover
First published February 15, 2011
It raises the possibility that even if [a World Wide Mind] could be created, it would present a threat to users’ sanity. However, I think the risk of schizophrenia is not as substantial as it might appear. As I explained earlier, input from others would probably feel distinctly different from one’s own self-motivated brain activity by virtue of its lesser intensity and relative incompleteness. It would no more fool the user than a photo fools the viewer into thinking he is seeing the actual scene.There is no real reason to believe that the reality of a photo is or is not a reliable predictor of inserted thoughts and emotions beyond its superficial similarity, but that’s as far as he goes with respect to that problem. You could easily expand the “photo” analogy to bring in trompe l’oeil, for example, if you really want to examine the analogy.