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Abstract
Having located the present technological changes in the Christopher Freeman's classification, this paper displays the importance of the interference of new technologies diffusion with the growing intricacies between national economies. Hence, international networks of collective cleverness are under extension and offset the growing number of single owners of small fragments of this cleverness. The main consequences of this transformation are less the spreading unemployment than the revelation that, from a macro-economic point of view, the rythm of technical progress has slowed down for 15 years, and the development of a middle class of skilled technicians replacing workers and employees.