Many of the greatest composers and musicians do their best work in extreme confinement but we are seeing it in other fields - uses of technology to link people together in networks to solve problems and almost certainly we'll get better ideas than we would from them just doing it on their own.

Societies advance through innovation every bit as much as economies do.

Lots of creativity is and should be solitary.

One effect of an individualistic culture that's poor at instilling mutual respect is that people jump more quickly to anger or violence.

I can think of nothing worse than a think-tank where everybody agreed.

Young people who were relaxed about posting every detail of their life on Facebook become a lot less relaxed when they realise just how transparent their life has become to future employers.

The most important innovators often don't need any technologies - just imagination and acute sensitivity to people's needs.