Of course our time is completely different from the age of the muckrakers. There isn’t the terrible poverty - nor the violent strikes where workers were gunned down by private armies.

But in other ways there are similarities. New technologies and giant financial systems are transforming society. They bring with them great benefits and exciting new ways of living - but at the same time there have been massive increases in inequality.

I have a soft spot for Adam Curtis, and in his latest blog piece he is in excellent form.