Fantasy sports went a long way toward developing the sabermetrics formulas used not only by oddsmakers but general managers in hiring players. So the amateur fantasists ended up creating some of the algorithms that Oakland GM Billy Bean's statisticians used to win games with less salary money available for star players.

As a writer and sometime activist who needs to promote my books and articles and occasionally rally people to one cause or another, I found Facebook fast and convenient. Though I never really used it to socialize, I figured it was OK to let other people do that, and I benefited from their behavior.

We have the alternative. "Do I want to be on the subway looking at these people, or do I want to be in my phone looking at my people?"

Like civil-rights protesters who sang rousing hymns as they were carried off to jail, Twitterers are bearing witness to what's happening around them, and calling out into the darkness of cyberspace for confirmation. I'm here. You're here, too. We are present.

I think the only way to behave is as if nothing is private. And then fight to make what you care about legal and acceptable.

I find myself unable to let go of the sense that human beings are somehow special, and that moment-to-moment human experience contains a certain unquantifiable essence. I still suspect there is something too quirky, too paradoxical, or too interpersonal to be imitated or re-created by machine life.

Nothing is sacred. And, more importantly...the 'nothing' you end up with is truly sacred.