Deeper fulfilment is rather different from the happiness of seeing a good film or watching your team win at football, and it doesn't come at the push of a button.

As the Internet of things advances, the very notion of a clear dividing line between reality and virtual reality becomes blurred, sometimes in creative ways.

On the environment and climate change, I suspect that future generations will think there was too much timidity, too much fear of upsetting business. Basically, New Labour was very nervous about regulating business, or requiring it to do anything, even when there was a very clear social or environmental case for doing so.

With a fractured sense of self, we come to depend on what people feed back to us - often mediated through social networks - not what we are. We have complex identities but may become less able to act as a subject - confident in what we really are.

A modest dose of self-love is entirely healthy - who would want to live in a world where everyone hated themselves? But taken too far it soon becomes poisonous.

Lots of creativity is and should be solitary.

The most dynamic cities have always been immersed in the critical innovations of their time.