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A Tool for Policy Comprehension. Allie Mazzia , Kristen LeFevre and Eytan Adar. Motivation. Privacy in online social networks Policy modification Policy comprehension Two kinds of tasks within policy comprehension Single tasks “Can friend A see my birthdate?” Group tasks
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A Tool for Policy Comprehension Allie Mazzia, Kristen LeFevre and Eytan Adar
Motivation • Privacy in online social networks • Policy modification • Policy comprehension • Two kinds of tasks within policy comprehension • Single tasks • “Can friend A see my birthdate?” • Group tasks • “Can group of friends B see my pictures?”
Motivation (2) • Users’ mental models often involve natural subgroups (Fang and LeFevre 2010; Jones and O’Neill 2010) • Specific to a single user’s network • Designed PViz to display communities to enable group tasks
PViz Less visibility More visibility
PViz Less visibility More visibility
PViz Less visibility More visibility
PViz Less visibility More visibility
PViz Less visibility More visibility