Computing should be taught as a rigorous - but fun - discipline covering topics like programming, database structures, and algorithms. That doesn't have to be boring.

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

I'm not saying [economic] growth is wrong, but throughout the years of growth, many things didn't get better. ... If you look at America, the proportion of Americans with no one to talk to about important things went up from a tenth to a quarter.

Social innovation thrives on collaboration; on doing things with others, rather than just to them or for them: hence the great interest in new ways of using the web to 'crowdsource' ideas, or the many experiments involving users in designing services.

In Britain, polls show large majorities in favour of mansion taxes and higher taxes on the finance sector.

All real capitalisms are impure hybrids, mongrels mixed with other strains.

Democracy isn't solely about polite conversations in parliaments. It needs to be continually refreshed with raw passions, anger and ideals.