If the clockwork universe equated the human body with the mechanics of the clock, the digital universe now equates human consciousness with the processing of the computer. We joke that things don't compute, that we need a reboot, or that our memory has been wiped.

The moment you frame your own awareness within a second level of self -consciousness is the moment your mind is most up for grabs. ... You're safe because you have an ironic distance from the coercive techniques I'm employing. All of them that is, except this one. Are you on your guard yet? Does it feel good? Of course not.

We've been taught that the renaissance was one of the great golden ages of civilisation. The renaissance was not a golden age, it was the end of a golden age.

Grunge was so self-consciously lowbrow and nonaspirational that it seemed, at first, impervious to the hype and glamour normally applied swiftly to any emerging trend. But sure enough, grunge anthems found their way onto the soundtracks of television commercials, and Dodge Neons were hawked by kids in flannel shirts saying, 'Whatever.'

Global warming, you don't win it. It's this weird steady-state issue that's going to be with us for a few thousand years.

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.

With the DVR, I was mostly writing about it as a good thing in giving us the choice of when and how to watch things. But there's what we lose in the bargain, which is the collective spectacle. 'Did you see Jay Leno last night?'