One of the challenges faced by Facebook users is that privacy settings change not only the visibility of the information, but also impact actions other users can take on a piece of information. These actions on their turn can also create changes to the visibility of that piece of information, sometimes granting access to people originally unintended by the user who posted the information. In this paper we investigate how a simulator that allows users to explore the different situations that can result from privacy settings may support them in anticipating the impact of their decisions. To do so, we have implemented a privacy setting simulator prototype, and evaluated it through a qualitative casestudy which involved 12 regular Facebook users. Our findings indicate that the simulator improved users understanding of the effects of their privacy settings and allowed them to identify misunderstandings they had about the visibility of their information.
Este artigo investiga de maneira exploratória como a privacidade é tratada pelos usuários do Facebook. A fim de alcançar este objetivo, foram empregados métodos distintos, propiciando enfoques diferentes sobre a questão – um questionário online, o Método de Inspeção Semiótica (MIS) e o Método de Avaliação de Comunicabilidade (MAC), combinado com entrevistas sobre questões relativas à privacidade. Conclui-se que os usuários afirmam que se preocupam com a privacidade no Facebook no que diz respeito à divulgação de suas informações pessoais, em especial fotos, mas foram detectadas importantes rupturas de comunicação no que concerne a aspectos relacionados à privacidade de fotos.
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