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Geolocation and Privacy

INFO 470: Max Chauhan, Brian Chan, Jesse Chhay, and Teresa Lam

Teresa Lam

on 6 December 2012

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Transcript of Geolocation and Privacy

I Know Where You Are Research Question How comfortable are people with sharing their geolocation data?
Focus on both:
Apps/services that track data
Sharing location on social media Relevant State of the World How comfortable are users with sharing information online
Expected default privacy settings
Discrepancy between what users expect and what companies offer But... But there hasn't been much research on user's feelings towards geolocation data Preview of our Methods Field study
We had subjects keep a location diary and record their level of comfort with sharing that location

We interviewed the subjects who completed the field study Major Related Work Smartphone, Dumb Regulations: Mixed Signals in Mobile Privacy
By Christian Levis
Reasonable Expectations of Geo-Privacy
By Sjaak Nouwt
Empirical Model of Privacy in Location Sharing
By multiple authors Method: Field Study Definition: Private Sharing Definition: Public Sharing Gave 17 people a copy of the field study Method: Interview Asked 11 out of our 17 test subjects to answer some interview questions
Four main categories
General social media questions
Location based privacy questions
Smartphone based questions
Questions based on field study Findings Everyone uses Facebook
Other social media sites were less prevalent
About 75% of users examined the default privacy settings
People avoided posting certain information
People were surprised that some application were tracking their location Reflections on Results People are comfortable sharing information with apps if they thought it makes sense for the app to need it
Free apps tracked location to show relevant ads
Although people do care, generally it wasn't enough to convince them to not use an app
Private and public sharing was treated differently
Most people wouldn't share places publicly even though they would privately Major Lessons Learned and Insights Gained Generally people would continue to use an app that had location sharing settings they didn't agree with
Most women cared a lot more about the privacy of their location
More people are willing to share general location as opposed to specific Future Perform field study with non-college students
Focus on non-Facebook services
Research harms and benefits of geolocation sharing
Research opt-in vs opt-out geolocation sharing Conclusion Geolocation tracking is becoming more prevalent
People are less aware about geolocation tracking
People have very different opinions about privacy regarding location
Most people were less sensitive with their location than other data they shared
People in general were more comfortable with sharing their location privately than publicly Geolocation and Privacy Brian Chan
Jesse Chhay
Max Chauhan
Teresa Lam
Full transcript