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There is an increasing demand on citizens to participate in social network websites and to create and share their own user-generated content (UGC), such as photographs, videos, and blogs. So far, little is known about how elderly people respond to these new trends and master the techniques required. This paper reports on three studies that investigated(More)
Omnidirectional video (ODV) is a type of video in which viewers can look around in 360° as if turning the camera themselves. This type of video presents opportunities for new interactive television formats. The development of such new formats, however, is accompanied by challenges in terms of user experience and technical and creative development. In(More)
In this paper we present a case study of a longitudinal in-situ observation that involves a new social application for mobile communication. Our study demonstrates the need for an adaptive approach to planning, design, and implementation that is responsive to emerging social and infrastructure conditions. This represents a shift from traditional(More)
The success of digital television will depend largely on the reactions of the final user. In this paper, we explore some of these reactions focussing on the test-introduction of digital television in Flanders (Belgium). Based on the findings of two digital interactive test-projects in Flanders, we will look more closely into three specific topics: (1) the(More)
In Online Social Networks (OSNs), it can be difficult to maintain the context of a conversation or action, i.e. to know what the situation is and how to act appropriately. The resulting uncertainties may lead to privacy issues. We focus on one issue Context Collision in this paper, and motivate that a first step to address this issue is to help users(More)
In this paper, we discuss the push and pull dynamics of the introduction of interactive digital television and the discrepancy between promised and actual practices as lived by the audience. Our analysis is based on a case study of iDTV in Flanders in which we analysed both the promises as can be found in the political economical rhetoric about iDTV and the(More)
The paper operationalizes the concept of privacy by design for social network sites (SNS), defined as evaluating and embedding privacy in the development and adjustment of SNS technology. More in particular we identify the necessary social requirements of SNS in order to optimize the privacy from a user perspective. For this, one of the application domains(More)