The Interact team (formerly Sociology, Ergonomic Psychology, Language Sciences and Design), led by Françoise Détienne and Christian Licoppe, is a group of professors from the i3 research laboratory (CNRS UMR 9217) of the Department of Economics and Social Sciences of Télécom Paris. It brings together the expertise of 9 professors and associate professors and 3 researchers from the CNRS in sociology, ergonomic psychology, language sciences and design.