Аннотация
Participation in social networking sites has dramatically increased
in recent years. Services such as Friendster, Tribe, or the Facebook
allow millions of individuals to create online profiles and share
personal information with vast networks of friends - and, often,
unknown numbers of strangers. In this paper we study patterns of
information revelation in online social networks and their privacy
implications. We analyze the online behavior of more than 4,000 Carnegie
Mellon University students who have joined a popular social networking
site catered to colleges. We evaluate the amount of information they
disclose and study their usage of the site's privacy settings. We
highlight potential attacks on various aspects of their privacy,
and we show that only a minimal percentage of users changes the highly
permeable privacy preferences.
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