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By Tom Nuttall  

“What have you changed your mind about? Why?” This is Edge’s question for 2008, and the website has rounded up 164 (and counting) thinkers, scientists, writers and other luminaries to respond to it. At over 110,000 words, reading the answers in their entirety may prove a bit taxing for a Friday afternoon, so why not check out the highlights: Daniel Kahneman, godfather of “happiness studies,” on why he had to give up the idea of the “aspiration treadmill”; autism expert Simon Baron-Cohen on why he no longer believes in equality; and Brian Eno on growing out of Maoism. Plus, of…

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