There are lots of examples of routine, middle-skilled jobs that involve relatively structured tasks, and those are the jobs that are being eliminated the fastest. Those kinds of jobs are easier for our friends in the artificial intelligence community to design robots to handle them. They could be software robots; they could be physical robots.

The kind of job where you have to hustle and hustle and where you're not sure whether you will have enough clients next month, where you have less job security, is becoming much more common.

Electricity is an example of a general purpose technology, like the steam engine before it. General purpose technologies drive most economic growth, because they unleash cascades of complementary innovations, like lightbulbs and, yes, factory redesign.

G.D.P. is not a measure of how much value is produced for consumers. Everybody should recognize that G.D.P. is not a welfare metric.

Hollywood and the recording industry argue that current law permits the copying of songs and movies, and sharing them on the Internet. This enables young people to grow up learning how to steal.

As more and more of our lives become digital, we are fighting a losing battle trying to curb our usage of devices in order to reclaim our emotions. So what I'm trying to do instead is to bring emotions into our technology and make our technologies more responsive.

Am I going to get my warts removed? I might do, but I'm certainly not going to auction them on the Internet.

It only makes sense that as our society becomes more and more integrated with technology, we'll start to see more cyborgs, grinders, biohackers - whatever you want to call us - thriving at the intersection of tech and body modification.