Including older adults as full stakeholders in digital society.

There has been considerable hype about filter bubbles and echo chambers influencing the views of information consumers. The fear is that these technologies are undermining democracy by swaying opinion and creating an uninformed, polarised populace. The literature in this space is mostly techno-centric, addressing the impact of technology. In contrast, our work is the first research in the information interaction field to examine changing viewpoints from a human-centric perspective. It provides a new understanding of view change and how we might support informed, autonomous view change behaviour. We interviewed 18 participants about a self-identified change of view, and the information touchpoints they engaged with along the way. In this paper we present the information types and sources that informed changes of viewpoint, and the ways in which our participants interacted with that information. We describe our findings in the context of the techno-centric literature and suggest principles for designing digital information environments that support user autonomy and reflection in viewpoint formation. CCS CONCEPTS• Information systems~Users and interactive retrieval • Humancentered computing~Empirical studies in HCI • Information systems~Retrieval tasks and goals

We propose unsociability as a novel perspective to approach and support online social interactions. With examples taken from focus group discussions, we highlight the need of users to save face in their online interactions within social network sites. We claim that people follow a "social-over-technical" pattern on Facebook, as they base their interactions on their social understanding of this site instead of on its technical capabilities. These social norms and patterns challenge social translucence which has for more than a decade been recognized as one of the cornerstones of social computing systems.

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