All of which raises the question – your task, burden, privilege, call it what you like – a question which men and women, great and not-so of every color, creed and sexual persuasion have asked since they first had the language to do so, and probably before: Does Anything I Do Matter?

I haven't written a whole lot of nonfiction, but what I have written leads me to believe that it's an entirely different muscle. The ongoing paradox is that sometimes it's harder to get to the emotional truth of something when you only have the facts at your disposal.

Your life has more blue in it than a James Cameron movie.

The urge to move is natural and understandable. As will be the case throughout your life, no matter how long or brief, the choice is, in the end, yours. Simply bear in mind that most every choice will have consequences, and in this instance those consequences would likely be quite grave.

Singularity will be an opt-in scenario for human beings, especially as we draw closer to it. The more that we have the opportunity to interface with and combine ourselves with machines and machinery and electronics - those will all be opt-in moments. Would you choose to have some sort of brain implant? Would you choose to have Google Glasses installed in your eyes? It's all an approach; it's all a glide path to the moment of genuine singularity; genuine artificial intelligence.

People have invoked the ghost of Hemingway quite a few times in writing about the book. I could get into sticky territory here if I let myself go on about this subject. The more I hear it, the more it rankles, frankly.

As an atheist and lapsed Catholic, I feel the absence of faith in my own life quite acutely.