eternal sunshine? longitudinal privacy in online social ... · age 18—24 — 25-34 £35+ age...
TRANSCRIPT
• Time plays an important role in privacy management.
• Willingness to share decreases with time. • Time affects different aspects of our lives, which in turn affect our sharing preferences. • Possible reasons for the decrease in willingness to share: “staleness” and anachronism. • Suggested mechanism: reviewing aged content.
Eternal Sunshine? Longitudinal Privacy in Online Social Networks
Oshrat Ayalon and Eran Toch {oshratra, erant}@post.tau.ac.il, http://toch.tau.ac.il
Would you like that posts you are publishing today will be seen on your Facebook Timeline, in
five years from now?
• Between-subjects user study (n=298) • Recruitment:
Our Facebook application research framework
1. INTRODUCTION
2. METHODOLOGY
3. MAIN RESULTS
Willingness to share decreases with time.
Present time privacy
(boyd, 2007; Stutzman,
Gross and Acquisti, 2013)
Our study Regrets
(Wang et al., 2011)
Publication Time 1 year 2 years and more
Years 0-1 1-2 2+
Changes in social circles result in a decrease in willingness to share.
A post is becoming less representative with time.
4. CONCLUSIONS
The impact of time is stronger for young users.