Facebook 5 Years Later Zach Broderick Anna Merport

Facebook: 5 Years Later Zach Broderick Anna Merport Michelle Strulovic

Introduction v What is Facebook? v Previous Studies in 2004 -2005 Ø “Rules of engagement” and social norms have not been established ØPeople reveal a lot of personal information v Has anything changed?

Methodology v. Online Survey Ø Wrote our own software to collect data v. Used mailing lists v. Problems: Ø Selection bias (volunteer bias) Ø Non-coverage Ø Non-response bias

Log-In Frequency

Info Categories

Concern for Privacy on FB 2008 t = 9. 20, df = 97, P <. 0001 Privacy Importance Distribution

Concern for Privacy on FB 2008 t = 3. 18, df = 97, P =. 002 Concern for Privacy on FB 2005

v Are there any photos of you on Facebook that you would not want a potential employer to see? Yes No 56. 70% 43. 30% v Have you ever been the victim of stalking, identity theft, or anything else negative because of Facebook? Yes No 4. 10% 43. 30% v Do you use the Facebook privacy settings that allows you to specify who can see/search your profile? Yes No 2005 62% 38% 2008 84. 50% 15. 50% z = 4. 3, P <. 0001 ?

v Does the Facebook privacy allow them to share your information with third parties? Yes No Don’t know 2005 53% 47% 2008 15. 30% 32. 70% 52. 00% v Are you aware that potential employers and university officials regularly scan Facebook profiles? Yes No 12. 20% 87. 80% ?

? v Do you plan to modify your profiles as a result of this survey? Yes No 12. 20% 87. 80% v Do you know everyone personally on your friends list? Yes No 2005 2008 36. 55% 56. 70% 63. 45% 43. 30% z = 4. 50, P <. 0001

The weird stuff… v Of those who rated Facebook privacy as very important: Ø 95% had their picture up Ø 45% had their dorm room on display Ø 25% had their cell phone number Ø 15% had all three Ø 25% had their employer Ø 1% had pic, dorm, cell, employer, home address v 36. 7% of respondents were aware that employers and school officials scanned FB profiles yet still had incriminating photos of themselves in their profiles. v 4. 1% of respondents who had bad photos but were not aware of employer snooping still said they were not going to modify their profiles after taking the survey.

Conclusion v. Students are still woefully unaware of some of the privacy pitfalls of FB, and continue to engage in reckless information revelation v. Few other solid conclusions possible