Klaus Bruhn Jensen is Professor in the Department of Communication, University of Copenhagen, Denmark. His research and teaching emphasize communication theory, empirical research methodologies, and the history of media and communication. Recent publications include A Handbook of Media and Communication Research: Qualitative and Quantitative Methodologies (Routledge, 3rd edition, 2021), A Theory of Communication of Justice (Routledge, 2021), and Comparing Communication Systems: The Internets of China, Europe, and the United States (Routledge, 2023, coedited with Rasmus Helles).

Signe Sophus Lai is a tenure-track assistant professor at the Center for Tracking and Society, University of Copenhagen, Denmark. Her research and teaching are situated at the intersection between infrastructure studies, political economy of communication, and critical data studies, and are particularly focused on advancing new methods for empirical research on digital communication systems and infrastructural power. Recent publications include the monograph Gateways: Comparing Digital Communication Systems in Nordic Welfare States (2023, coauthored with Sofie Flensburg) as well as articles in New Media & Society, Mobile Media & Communication, Big Data & Society, and Feminist Media Studies.