Why sociologists should learn about engineering. An inspiring talk about the way disciplines look at things by Richard Harper, Professor of Socio-Digital Systems, Principal Researcher, Socio-Digital Systems, Microsoft Research, Cambridge. A video of his presentation in Telecom ParisTech: http://www.telecom-paristech.fr/etudiants/films/experts-STIC-SES/experts-STIC-SES.htm