Privacy Considerations in Online and Mobile Photo Sharing

Over Exposed? Privacy Patterns and Considerations in Online and Mobile Photo Sharing Shane Ahern, Dean Eckles, Nathan Good, Simon King, Mor Naaman*, Rahul Nair Yahoo! Research Berkeley

What do you get when you mix… Camera- phones Context People Instant Web Upload

This talk is not about photos ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Current Mobile Experience ,[object Object],[object Object],[object Object],[object Object],But wait! There’s more.

ZoneTag http://zonetag.research.yahoo.com ,[object Object],[object Object],[object Object],[object Object]

Why Tag? Bay Bridge, Fog, [San Francisco, 94105]

Why Tag? RedSox, Fenway, GreenMonster, [Boston, 02215], …

Why Tag? Horsetails, handicapped, sign, [Stanford, 94305], …

Why Tag? mirror, me, Jenn, [New Haven, 06473], …

Why Tag? Sushi, Gills, Home, Shepherds bush, badger towers , [London, UK], …

OK, so what are we doing here really? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Quantitative Analysis - Data ,[object Object],[object Object],[object Object],[object Object],[object Object]

Content predicts privacy? Photos with “person” tag All photos

Location predicts privacy? Users Public Locations Average Locations Private Locations Percent of photos

Meanwhile, in the paper ,[object Object],[object Object],[object Object],[object Object],[object Object]

Moving on ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Inspiration ,[object Object],[object Object],[object Object],[object Object]

Main Research Question ,[object Object]

Study Format ,[object Object],[object Object],[object Object],[object Object]

Study Detail ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Security “ Pictures of the kids... I don’t know if I’d mark public... I don’t know who is out there”. “ If I did something to upset somebody somehow... and they knew where I lived by looking at my photos, that would bother me”. “ There is so much stuff out there, I don’t think I’m really a prime target.”.

Identity Management “ You’ve heard about all these random stories about people on MySpace/YouTube and a HR department will… find stuff” “ I might [upload] as family-only if it was a family event… embarrassing pictures of me and my aunt” “ Portland pictures. Ahh, there is a picture of me. Unflattering”

Sharing convenience “ I made my photos public so I wouldn't have to worry when I gave a friend the URL so they could browse my pictures freely”

Social disclosure “ I added the tag '[bar name]' so he'd know where I was…” “ Nothing marked [private]. It’s almost like the tree the in the forest, why would you take a photo if you didn't want anyone to see it.” “ if I went somewhere and I didn’t invite someone and I didn’t want them to see, I might want to make that [family-only]”.

Privacy Considerations Taxonomy

Taxonomy Breakdown *Warning: do not take these numbers literally.

Other Factors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Implications. Questions. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Implications. Questions. ,[object Object],[object Object],[object Object]

Final Notes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Questions? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Morgan Ames, Mor Naaman Why We Tag Wednesday 11:30 B1-B4 Good et al. Noticing Notice Tue. 3:30

Privacy Considerations in Online and Mobile Photo Sharing

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