I really liked Down and Out in the Magic Kingdom. I thought the science fiction was compelling and original. And now, come to find out, Doctorow was right on the money with his tech the whole time!
It appears that NASA has discovered a way to actually record sub-vocalization — talking to yourself. According to Gizmodo, they want to use it to control rovers and such. Me, on the other hand? I want to use it to talk to the dead.