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.

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

Advisers who think that they are very clever while all around them are a bit thick, and that all the problems of the world would be solved if the thick listened to the clever, are liable to be disappointed.

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

As with products on supermarket shelves, the public has a right to know where their financial products and services come from.

Courses can, and should, incorporate the excitement and fun of programming games, apps or even real digital devices.

Britain is rich in radicalism, and anyone who says that our society has drifted into fatalism and apathy should get out more.