Digital media have permeated all spheres of life in many world regions and drastically changed how people seek information to satisfy their everyday knowledge needs. Successfully fulfilling these ...needs can impact subjective well-being and life outcomes. This is pronounced in transition-al phases with increased knowledge needs such as emerging adulthood. These needs and their fulfillment are socially structured, for example through skills differences. Simultaneously, how knowledge can be acquired through digital media is also dependent on their structure and governance. This paper contributes first to a better understanding of how sociotechnical infrastructures change, how and where they can be shaped by whom, and what is ultimately required for a future web of knowledge (epistemic web); and second, to making the effects of individual information seeking practices on life outcomes and well-being empirically addressable. Equitable digital societies require understanding and governing how digital media enable access to which knowledge. Considering the knowledge needs and dynamic life trajectories in the digital society, research is needed that can provide critical empirical and theoretical insights for the future of human communication and well-being.
Testing communication theories requires a valid empirical basis, yet especially for usage time measures, retrospective self-reports have shown to be biased. This study draws on a unique data set of ...923 Swiss internet users who had their internet use tracked for at least 30 days on mobile and desktop devices and took part in a survey covering internet usage as well as person-level background variables. The analysis focuses on active usage time overall and on the major services Google Search, YouTube, WhatsApp, Instagram, Facebook, and the online newspaper 20 Minuten. The results showed that overall internet usage time was lower for older and higher-educated users based on both the tracking and survey data, and the reported usage time was consistently higher than the tracked usage time. The tracking data further revealed that internet users in all social groups spent the majority of their time online on a mobile device. The number of users of the major services varied mainly between age groups. These differences were less pronounced when it came to the time users spent engaging with these services. Over the course of a day, the major services varied in their frequency of use: for example, messaging peaked before noon and in the late afternoon, whereas online news use was comparably constant at a lower level.
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