'Digiphrenia' is really the experience of trying to exist in more than one incarnation of yourself at the same time. There's your Twitter profile, there's your Facebook profile, there's your email inbox. And all of these sort of multiple instances of you are operating simultaneously and in parallel.

Google did a great job hacking the Web to create search - and then monetizing search with advertising. And Apple did a great job humanizing hardware and software so that formerly daunting computers and applications could become consumer-friendly devices - even a lifestyle brand.

If we stop believing in a future, if we stop doing things for something else but start doing them for now, some fundamental things change. Retirement becomes less about how much money you can squirrel away now and much more a matter of participating and contributing to your own community now so that they want to take care of you. … We’re going to move into a world where your retirement will be more secure if you’ve made lots of friends with young people rather than collected lots of dollars.

Brains are tricky and adaptable organs. For all the 'neuroplasticity' allowing our brains to reconfigure themselves to the biases of our computers, we are just as neuroplastic in our ability to eventually recover and adapt.

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.

The tribal community lived in the totality of circular time; the farmers of God's universe understood before and after; workers of the clockwork universe lived by the tick; and we creatures of the digital era must relate to the pulse.

Digital time does not flow; it flicks. Like any binary, discrete decision, it is either here or there. In contrast to our experience of the passing of time, digital time is always in the now, or in no time. It is still. Poised.