Warning, warning, danger, danger: severe geek alert. First, let's take a short piece from one of my favorite philosophers that I love to read (often if only to disagree with his conclusions while admiring his writing), Daniel Dennett. This is an excerpt from Consciousness Explained : My explanation of consciousness is far from complete. One might even say that it was just a beginning, but it is a beginning, because it breaks the spell of the enchanted circle of ideas that made explaining consciousness seem impossible. I haven’t replaced a metaphorical theory, the Cartesian Theater, with a nonmetaphorical ("literal, scientific") theory. All I have done, really, is to replace one family of metaphors and images with another , trading in the Theater, the Witness, the Central Meaner, the Figment, for Software, Virtual Machines, Multiple Drafts, a Pandemonium of Homunculi. It’s just a war of metaphors, you say — but metaphors are not “just” metaphors; metaphors are the tools o...