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  1. Understanding the Promises and Premises of Online Health Platforms.Thomas Poell & José Van Dijck - 2016 - Big Data and Society 3 (1).
    This article investigates the claims and complexities involved in the platform-based economics of health and fitness apps. We examine a double-edged logic inscribed in these platforms, promising to offer personal solutions to medical problems while also contributing to the public good. On the one hand, online platforms serve as personalized data-driven services to their customers. On the other hand, they allegedly serve public interests, such as medical research or health education. In doing so, many apps employ a diffuse discourse, hinging (...)
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  2. Data and Agency.Jose van Dijck, Thomas Poell & Helen Kennedy - 2015 - Big Data and Society 2 (2).
    This introduction to the special issue on data and agency argues that datafication should not only be understood as the process of collecting and analysing data about Internet users, but also as feeding such data back to users, enabling them to orient themselves in the world. It is important that debates about data power recognise that data is also generated, collected and analysed by alternative actors, enhancing rather than undermining the agency of the public. Developing this argument, we first make (...)
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    Data Critique and Analytical Opportunities for Very Large Facebook Pages: Lessons Learned From Exploring “We Are All Khaled Said”.Liesbeth Zack, Robbert Woltering, Thomas Poell, Rasha Abdulla & Bernhard Rieder - 2015 - Big Data and Society 2 (2).
    This paper discusses the empirical, Application Programming Interface -based analysis of very large Facebook Pages. Looking in detail at the technical characteristics, conventions, and peculiarities of Facebook’s architecture and data interface, we argue that such technical fieldwork is essential to data-driven research, both as a crucial form of data critique and as a way to identify analytical opportunities. Using the “We are all Khaled Said” Facebook Page, which hosted the activities of nearly 1.9 million users during the Egyptian Revolution and (...)
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