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Abstract This special issue examines mediated communication through the rise of sensors. Sensors are increasingly in the phones we carry, in the cars we drive, and throughout the homes and communities in which we live. In this introduction to the special issue, we define sensor-mediated communication (SMC) and argue the embedded, automatic, and datafied nature of sensors belie the glitches and biases in sensor mechanisms, networks, and infrastructure. The collection of articles in this issue explores SMC across a variety of contexts and cases, including municipal infrastructure, community, health, industry, and the domestic. They represent studies of voice assistants, self-tracking apps, self-driving cars, fitness games, home health care, as well as municipal sensor networks in urban, indigenous, and rural communities. Across them all we see the different ways through which mediated communication is initiated, transformed, and maintained by sensing technologies. Together they represent an important evolution in the study of computer-mediated communication. 

Abstract Internet of Things (IoT) sensor networks are an emerging technology at the center of the datafication and optimization of far-reaching environmental infrastructures—from “smart cities” to workplace efficiencies. However, this low-power, low-cost technology is also well suited to local deployments in rural communities, which are often overlooked by digital development initiatives. Therefore, we used a social construction of technology approach to study how various U.S.-based IoT stakeholders—including designers and advocates as well as citizen stakeholders—understand and value sensor network technologies. Through observational methods, in-depth interviews, and participatory design research in a rural Upstate New York municipality, we worked to design sensor networks with rural community members to generate data about and for community members to further local knowledge. We found that designing rural sensor networks requires stakeholders to navigate obstacles of communication about sensors and communication through sensors to facilitate secure, ethical, and localized sensing in rural communities. 

Municipalities across the US are investing in smart technologies that rely on data collection tools and devices. Though proposals to procure these technologies often describe the benefits of optimization, privacy concerns and asymmetrical data access remain. Some municipalities are working to minimize such concerns by developing community working groups to evaluate the adoption of surveillance technologies. Many of these organizations have an explicit interest in geomedia technologies, yet their goals, composition, and technology review processes differ. We examined working groups from four US cities—Boston, Seattle, Syracuse, and Vallejo—to identify how group members articulate different sociotechnical imaginaries of geomedia. Through interviews with working group members and an analysis of public documents, we examine how working groups imagine the future use, and misuse, of these technologies in their communities. In turn, this project highlights how multi-stakeholder governance can shape decision-making about geomedia futures. 

From smart devices to homes to cities, Internet of Things (IoT) technologies have become embedded within everyday objects on a global scale. We understand IoT technologies as a form of infrastructure that bridges the gaps between offline spaces and online networks as they track, transmit, and construct digital data from and of the physical world. We examine the social construction of IoT network technologies through their technological design and corporate discourses. In this article, we explore the methodological challenges and opportunities of studying IoT as an emerging network technology. We draw on a case study of a low-power wide-area network (LPWAN), a cost-effective radio frequency network that is designed to connect sensors across long distances. Reflecting on our semi-structured interviews with LPWAN users and advocates, participant observation at conferences about LPWAN, as well as a community-based LPWAN project, we examine the intersections of methods and practices as related to space, data, and infrastructures. We identify three key methodological obstacles involved in studying the social construction of networked technologies that straddle physical and digital environments. These include (a) transcending the invisibility and abstraction of network infrastructures, (b) managing practical and conceptual boundaries to sample key cases and participants, and (c) negotiating competing technospatial imaginaries between participants and researchers. Through our reflection, we demonstrate that these challenges also serve as generative methodological opportunities, extending existing tools to study the ways data connects online and offline spaces.