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 iPad - contrary to the way most people thought about it - is not a tablet computer running the Apple operating system. It's more like a very big iPhone, running the iPhone operating system.

As popular culture becomes more presentist, we move away from entertainment as the vicarious experience of a narrative - as watching someone else's story - and much more toward enacting one's own story. Moving away from myths and toward fantasy role-playing games, away from movies and toward videogames.

I'm not a communist, just a media theorist.

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?"

Unfortunately, for the vast majority of us, a vast majority of the time, we surrender our true autonomy to this illusion of agency. I'm as guilty as anybody, and I write about it in a book. I'm not condemning anybody.

Files on iTunes - and thus iPods - are incompatible with everything else. Applications on iPhones may only be sold and uploaded through the iPhone store - giving Apple control over everything people put on to the devices they thought they owned.