The history of worker management of Barcelona's transit system during the revolution and civil war is an illustration of the ability of workers to directly manage the industries where they work.

Workers' management is not just a new administrative technique: it means that for the mass of people, new relations will have to develop with their work, the very content of work will have to alter.

The two theorists, following different trajectories, reached a common conclusion: that the real content of socialism is the complete control of labour by the workers themselves.