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Copyright of Nuevo Derecho is the property of Institucion Universitaria de Envigado, Faculta de Derecho y Ciencias Politicas y Juridicas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Yhteiskuntapolitiikka is the property of University of Helsinki, Faculty of Political Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

This study analyses the agenda setting on social media in the COVID-19 pandemic by exploiting one of the disruptive technologies, big data analytics. Our purpose is to examine whether the agenda of news organisations matches the public agenda on social media in crisis situations, and to explore the feasibility and efficacy of applying big data analytics on social media data. To this end, we used an unsupervised machine learning approach, structural topic modelling and analysed 129,965 tweets posted by UK news media and citizens during April 2, and 8, 2020. Our study reveals a wide diversity of topics in the tweets generated by both groups and finds only a small number of topics are similar, indicating different agendas set in the pandemic. Moreover, we show that citizen tweets focused more on expressing feelings and sharing personal activities while news media tweets talked more about facts and analysis on COVID-19. In addition, our results find that citizens responded more significantly to breaking news. The findings of the study contribute to the agenda setting literature and offer valuable practical implications., (© 2021 Elsevier Inc. All rights reserved.)

After months of intense negotiations, Apple has approved Citizen's new Covid-19 app that will use Bluetooth, GPS and at-home testing to track Covid-19 exposure. [ABSTRACT FROM AUTHOR]

Safety app Citizen has built a mobile contact tracer using both Bluetooth and GPS to map and track Covid-19. Its technology is potentially both powerful and controversial. [ABSTRACT FROM AUTHOR]

Citizen has become a critical tool for protestors and residents alike—offering real-time alerts, live data, and videos of nearby emergencies—as peaceful demonstrations and violence overwhelmed cities across the nation. [ABSTRACT FROM AUTHOR]

No further details revealed [ABSTRACT FROM PUBLISHER]