Privacy Online Perspectives on Privacy and Self-Disclosure in the So
Communications and personal information that are posted online are usually accessible to a vast number of people. Yet when personal data exist online, they may be searched, reproduced and mined by advertisers, merchants, service providers or even stalkers
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Sabine Trepte
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Leonard Reinecke
Editors
Privacy Online Perspectives on Privacy and Self-Disclosure in the Social Web
Editors Sabine Trepte University of Hamburg Department of Psychology Von-Melle-Park 5 20146 Hamburg Germany [email protected]
Leonard Reinecke University of Hamburg Department of Psychology Von-Melle-Park 5 20146 Hamburg Germany [email protected]
ACM Codes: K.4, K.5, K.6.5, H.4, H.5 ISBN 978-3-642-21520-9 e-ISBN 978-3-642-21521-6 DOI 10.1007/978-3-642-21521-6 Springer Heidelberg Dordrecht London New York Library of Congress Control Number: 2011932726 # Springer-Verlag Berlin Heidelberg 2011 This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: deblik Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Preface
Privacy is a basic human need, and losing privacy is perceived as an extremely threatening experience. Privacy embraces solitude, personal space, or intimacy with family and friends and as such, it is a ubiquitous and trans-cultural phenomenon. Privacy leverages well-being; without privacy we are at risk of becoming physically or mentally ill. Our fundamental need for privacy is contrasted by a second powerful mechanism of social interaction: self-disclosure to others is similarly important for social functioning and psychological well-being. We need to self-disclose to bond with others, form meaningful relationships, and receive social support. A lack of ability to self-disclose causes clinical symptoms such as loneliness and depression. Striking the right balance between creating private spaces and self-disclosure is a complex task, if not the most challenging one in interacting with others. Today, in times of online communication and the Social Web, this task is further complicated by two confusing facts: Firstly, our online communication is usually accessible to a vast number of people. On social network sites, it is very common for several hundred online friends to have access to the personal information, status updates, and private pictures of a profile owner. In addition to these online friends as a “known audience,” there are other “unknown audiences,” such as advertisers who purchase the users’ aggregate
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