lol, about a year of reading for me .. on a skim seems to pretty well cover most all positions .. heaps of good images .. maybe he spends a bit too much time on your mate Ray Kurzweil .. heh, just a skimmed feeling ..
i do believe in one certainty, that humans will be more robotic in nature and of less natural biological make-up .. as, beginning with those who can afford to, more will be lengthening their own lifespans as much as they can ..