In this episode, journalist Yolaine de la Bigne meets Serge Abiteboul, Research director at Inria, and a member of the Académie des Sciences and Arcep. This data and IT specialist looks at the management of personal data and information on the web, which is an essential topic given the omnipresence of algorithms in our daily lives. Together, they shed light on these technological tools, which seem vital today but which few truly understand. Serge Abiteboul helps us understand the impact of digital technology on energy transition and explains how the Internet can be key to understanding collective intelligence and improving the flow of information.