Unpacking "privacy" for a networked world
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Location disclosure to social relations: why, when, & what people want to share
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Reality mining: sensing complex social systems
Personal and Ubiquitous Computing
Context-aware telephony: privacy preferences and sharing patterns
CSCW '06 Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work
Privacy in Location-Aware Computing Environments
IEEE Pervasive Computing
From awareness to repartee: sharing location within social groups
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Who's viewed you?: the impact of feedback in a mobile location-sharing application
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Location Diversity: Enhanced Privacy Protection in Location Based Services
LoCA '09 Proceedings of the 4th International Symposium on Location and Context Awareness
Understanding and capturing people's privacy policies in a mobile social networking application
Personal and Ubiquitous Computing
From spaces to places: emerging contexts in mobile privacy
Proceedings of the 11th international conference on Ubiquitous computing
Feeling-based location privacy protection for location-based services
Proceedings of the 16th ACM conference on Computer and communications security
Locating family values: a field trial of the whereabouts clock
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
UbiComp'05 Proceedings of the 7th international conference on Ubiquitous Computing
Privacy risks emerging from the adoption of innocuous wearable sensors in the mobile environment
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Turn-by-turn directions go social
Proceedings of Interacting with Sound Workshop: Exploring Context-Aware, Local and Social Audio Applications
Who's your best friend?: targeted privacy attacks In location-sharing social networks
Proceedings of the 13th international conference on Ubiquitous computing
Super-Ego: a framework for privacy-sensitive bounded context-awareness
CASEMANS '11 Proceedings of the 5th ACM International Workshop on Context-Awareness for Self-Managing Systems
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
Capturing location-privacy preferences: quantifying accuracy and user-burden tradeoffs
Personal and Ubiquitous Computing
Eyeing your exposure: quantifying and controlling information sharing for improved privacy
Proceedings of the Seventh Symposium on Usable Privacy and Security
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Personalization and privacy: a survey of privacy risks and remedies in personalization-based systems
User Modeling and User-Adapted Interaction
The mismeasurement of privacy: using contextual integrity to reconsider privacy in HCI
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
MaskIt: privately releasing user context streams for personalized mobile applications
SIGMOD '12 Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data
Building a dynamic and computational understanding of personal social networks
Proceedings of the 1st ACM workshop on Mobile systems for computational social science
Location privacy in relation to trusted peers
STM'11 Proceedings of the 7th international conference on Security and Trust Management
Understanding identity exposure in pervasive computing environments
Pervasive and Mobile Computing
A privacy-by-design approach to location sharing
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Privacy-aware personalization for mobile advertising
Proceedings of the 2012 ACM conference on Computer and communications security
Location-based crowdsourcing of hyperlocal news: dimensions of participation preferences
Proceedings of the 17th ACM international conference on Supporting group work
My privacy policy: exploring end-user specification of free-form location access rules
FC'12 Proceedings of the 16th international conference on Financial Cryptography and Data Security
Tweets are forever: a large-scale quantitative analysis of deleted tweets
Proceedings of the 2013 conference on Computer supported cooperative work
When privacy and utility are in harmony: towards better design of presence technologies
Personal and Ubiquitous Computing
A comparative study of location-sharing privacy preferences in the United States and China
Personal and Ubiquitous Computing
Preference-based location sharing: are more privacy options really better?
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Locality and privacy in people-nearby applications
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Adaptive information-sharing for privacy-aware mobile social networks
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
The price is right?: economic value of location sharing
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
Trends and research directions for privacy preserving approaches on the cloud
Proceedings of the 6th ACM India Computing Convention
Visualising the past: annotating a life with linked open data
Proceedings of the 3rd International Web Science Conference
Smart cities software: customized messages for mobile subscribers
WiFlex'13 Proceedings of the First international conference on Wireless Access Flexibility
Sharing life experiences with friends based on individual's locality
DUXU'13 Proceedings of the Second international conference on Design, User Experience, and Usability: web, mobile, and product design - Volume Part IV
Location sharing privacy preference: analysis and personalized recommendation
Proceedings of the 19th international conference on Intelligent User Interfaces
Crowdsourcing privacy preferences in context-aware applications
Personal and Ubiquitous Computing
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The rapid adoption of location tracking and mobile social networking technologies raises significant privacy challenges. Today our understanding of people's location sharing privacy preferences remains very limited, including how these preferences are impacted by the type of location tracking device or the nature of the locations visited. To address this gap, we deployed Locaccino, a mobile location sharing system, in a four week long field study, where we examined the behavior of study participants (n=28) who shared their location with their acquaintances (n=373.) Our results show that users appear more comfortable sharing their presence at locations visited by a large and diverse set of people. Our study also indicates that people who visit a wider number of places tend to also be the subject of a greater number of requests for their locations. Over time these same people tend to also evolve more sophisticated privacy preferences, reflected by an increase in time- and location-based restrictions. We conclude by discussing the implications our findings.