Vilma Lehtinen

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The workload needed for managing privacy and publicness in current social network services (SNSs) is placed on individuals, yet people have few means to control what others disclose about them. This paper considers SNS-users' concerns in relation to online disclosure and the ways in which they cope with these both individually and collaboratively. While(More)
This study suggests reasons for the absence of a growing proportion of the population, the so-called baby boomers, from the otherwise highly popular social networking sites. We explore how people of this age group understand social networking sites and how these understandings fit certain aspects of their life. Designing social networking sites that match(More)
Many existing and emerging online systems allow people to share content and coordinate the exchange of goods and favors in local geographic settings. We present a qualitative case study of user experiences concerning exchange and reciprocity in local online exchange. Findings from eleven in-depth interviews (containing forty-nine separate exchange(More)
The effects of digitalization for music sharing have been debated vastly. However, the new practices of making widely available music meaningful for those who share it remain largely uncovered. We set out to study this through exploring how the tweens of early 2010's face this challenge. In a qualitative exploration with Finnish children aged 10-13 years,(More)
Interactive media technologies are increasingly designed to support an active life among senior citizens and not solely to diminish the effects of physical and cognitive decline. One aspect of active life in one's old age is engagement in creative "personal projects," such as new hobbies and reflection on past events. To our knowledge, research has not yet(More)
Interactive walk-up-and-use displays are spreading in a variety of settings where stand presentation situations are common. We contribute by characterizing a presentation situation and investigating specific design implications for presenters in this situation. We also introduce interface system that utilizes physics-modeled spherical content widgets for(More)