[...] All the essential concepts and tools were provided by Marx, and indeed he used them to such good effect that for a long time his followers took it for granted that nothing new needed to be added in this field of investigation. As far as theory is concerned, they were right. But of course the outward manifestations of capitalism, though not its inner nature, have undergone tremendous changes in the last century. Capital accumulation has assumed new organizational forms; it has invaded old branches of the economy and flowed into many new ones. What needed to be done was to apply Marx’s theory to the new methods and occupations invented or created by capital in its restless expansion. This is the task Harry Braverman has set himself. [...]