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.

There is incredible potential for digital technology in and beyond the classroom, but it is vital to rethink how learning is organised if we are to reap the rewards.

Cities simply don't have the powers they need to radically innovate in cutting obesity or the number of disaffected teenagers.

A tablet replacing an exercise book is not innovation, it's just a different way to make notes.

Economies are complex beasts that need people to do an extraordinary range of tasks.

Before the Second World War, L'Oreal in France was an active supporter of the French fascists. The cosmetic group's founder Eugene Schueller was an active member of the 'Cagoule' group, committed to the violent overthrow of the Third Republic, and hosted meetings at Oreal headquarters.

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.