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

The really interesting moment will be when you have a critical mass of people engaging through the networks, more than through the press and TV. When that happens, the culture of politics has to change, moving away from controlled one-way messages towards a political culture that is more questioning.

Health is already a dominant sector in most societies and the one most guaranteed to grow.

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

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.

The longer you commute the less happy you're likely to be.

Huge sums are invested globally in medical research and development - and with good reason.