Moustafa Zouinar is researcher in ergonomics at the Human and Social Sciences Department (SENSE) of Orange and associate professor at the Cnam. His research activities focuse on human-machine interaction and the analysis of human activities with the aim of understanding the usage of digital technologies, and informing the design of these technologies. He has worked on different topics (e.g. multimodal interaction, video-communication in institutional and domestic settings, graphical authentication systems, mobile health). His current research interests are in the areas of “intelligent” voice assistants and Quantified Self.