Thirty years ago, if one were to speak about the “treatment of information, “ the best one could expect would be politely smiling indifference. It goes without saying that this expression, until recently meaningless, refers to the information of machines.

As for human information, it also arouses some interest, but for a very different end. Whereas machines are questioned as though they were oracles, in the majority of cases men are given information so as to be subjected to other men, either directly, or thanks to a kind of neutralization.