I have to let my geekness shine and provide a pointer to How to Hack Your Head, an article by Steven Johnson. Steven wrote Interface Culture, a book I just recently read and was quite impressed by. His latest book, Mind Wide Open: Your Brian And The Neuroscience of Everyday Life, is currently high on my reading list. The article runs through some existing technologies you can use to get a peek into your brain functioning and mental state. From the sounds of it, direct neural computer interfaces seem to be quite a ways off. Even if you have a few million dollars. Awww man.