FootNote
La cybernétique comme technique mathématique est difficilement applicable au social comme il le dit lui-même (1948/61:24-25): "To begin with, the main quantities affecting society are not only statistical, but the runs of statistics on which they are based are excessively short. There is no great use in lumping under one head the economics of steel industry before and after the introduction of the Bessemer process, ..." et "Thus the human sciences are very poor testing-grounds for a new mathematical technique."