Antonio Casilli gave a plenary lecture entitled “Réinterroger les sciences sociales à l'heure du numérique » at the 20th conference of the Association Internationale des Sociologues de Langue Française, held in Montreal from July 4 to July 8. The conference has been attended by 1500 participants from forty countries ; more than 1000 communications - including from several i3 members  -, and a dozen major conferences were presented.