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.

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.

Our fear of technology is really a fear of empowerment. We now have the ability to design the reality we live in, and we have to step up to the occasion.

Since the 1960s, mainstream media has searched out and co-opted the most authentic things it could find in youth culture, whether that was psychedelic culture, anti-war culture, blue jeans culture. Eventually heavy metal culture, rap culture, electronica - they'll look for it and then market it back to kids at the mall.

The first step toward maintaining autonomy in any programmed environment is to be aware that there's programming going on. It's as simple as understanding the commercials are there to help sell things. And that TV shows are there to sell commercials, and so on.

Social media is itself as temporary as any social gathering, nightclub or party. It's the people that matter, not the venue. So when the trend leaders of one social niche or another decide the place everyone is socializing has lost its luster or, more important, its exclusivity, they move on to the next one, taking their followers with them.

The liberation children experience when they discover the Internet is quickly counteracted by the lure of e-commerce web sites, which are customized to each individual user's psychological profile in order to maximize their effectiveness.