Our cultural touchstones series looks at influential works.

Gilles Deleuze was one of the most original and imaginative thinkers of postwar France. A lifelong teacher, he spent most of his career at the University of Paris VIII, influencing generations of students but largely shunning the mantle of public intellectual.

His complex, creative books mix philosophy, literature, film and politics – not to give clear answers, but to spark new ways of thinking.

Postscript on the Societies of Control, published 35 years ago in the countercultural L’Autre Journal is Deleuze at his most accessible and prophetic.

Written at a time when the Cold War was ending, computers were becoming more common, and the internet was beginning to connect institutions, the essay describes the emergence of a new kind of society – one not ruled by a single stern voice but by the soft hum of networks.

Postscript was written as an update to the work of Deleuze’s contemporary Michel Foucault, who had died in 1984. Deleuze called it a “postscript” not just because of its brevity (it’s only around 2,300 words in English translation) but to highlight he wasn’t refuting Foucault, just building on his work.

From the 18th to early 20th centuries, Foucault had argued, Western societies were “disciplinary societies”. Schools, factories, prisons and hospitals – institutions with walls, schedules, routines and clear expectations – moulded behaviour. People were trained, observed, tested and corrected as they passed from one institution to the next.

Read more: 'A dark masterpiece': Foucault's Discipline and Punish at 50

But in the late 20th century, Deleuze saw something shifting. He thought the stodgy old disciplinary institutions were “in a generalized crisis” due to technological advances and a new form of capitalism that demanded more flexibility in workers and consumers.

New systems of management and technology were starting to........

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