Marcus Burkhardt is a lecturer in media studies at University of Siegen and principal investigator at the Collaborative Research Center 1187 "Media of Cooperation", University of Siegen.Daniela van Geenen is a Ph.D. candidate at the DFG Collaborative Research Center 1187 »Media of Cooperation« at the University of Siegen, after receiving her MA from Utrecht University. Her research lies at the interface of media studies and science and technology studies (STS), with particular focus on (critical) data studies, software, device, and infrastructure Studies. In her Ph.D. project she investigates the sociomaterial organization, (data) practices, and values in/of urban sensing, paying specific attention to cases of environmental sensing in relation to mobility monitoring and planning. She is also a lecturer in Data Journalism and Visualization at the University of Applied Sciences Utrecht.Carolin Gerlitz is a professor of digital media and methods at the University of Siegen and member of the Digital Methods Initiative Amsterdam. She is co-speaker of the DFG Collaborative Research Centre 1187 »Media of Cooperation« and the DFG Graduate School »Locating Media«. Her research interests are social media and platform studies, app studies, inventive digital methods, sensor media, quantification, automation, and issue mapping.Sam Hind is a research associate in the DFG Collaborative Research Centre 1187 »Media of Cooperation« at the University of Siegen. His research currently revolves around sensor-based navigation as part of the »Navigation in Online/Offline Spaces« project. He received his PhD in the Centre for Interdisciplinary Methodologies at the University of Warwick, UK. His research interests include digital navigation, mapping practices and mobility.Timo Kaerlein is a lecturer at the Institute for Media Studies at the Ruhr University Bochum. He has a background in media studies and received his doctorate at Paderborn University in 2017. His research focuses on the theory, history, and aesthetics of interfaces, mobile media, social robotics, and media cultures of obsolescence.Danny Lämmerhirt is a PhD-Candidate at the Graduate School (University of Siegen) with an interest in the politics of participatory data infrastructures, data governance, quantification, and valuation. His dissertation compares different citizen-centered data sharing models for digital health data, exploring how these models enable cooperation, governance, and the valuation of health data along multiple (possibly conflicting) interests.Axel Volmar is currently a guest professor at the Institute for Music and Media at Humboldt-Universität zu Berlin. His research is on media history, media theory, and the praxeology of media, intersecting with the history of science, infrastructure studies, and disability studies.