Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013,...
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![Page 1: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/1.jpg)
Locality and Privacy in People-Nearby Applications
Mike LinUbiComp’13, September 8–12, 2013, Zurich, Switzerland
![Page 2: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/2.jpg)
Outline
AuthorsIntroductionRelated worksPeople-Nearby ApplicationsMethodologyDiscussionComment
![Page 3: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/3.jpg)
Authors
Eran TochLecturerDepartment of Industrial Engineering, The Iby and Aladar Fleischman Faculty of Engineering , Tel Aviv University.
![Page 4: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/4.jpg)
Authors
Lab and Research Group at Tel Aviv UniversityJunior Faculty - Cognitive Aspects of Human Factors, Quantitative Models of Human Performance at Tel Aviv University
Project Manager & Inter-Enterprise Process Management System Designer at IBMSecurity Staff at IAA
![Page 5: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/5.jpg)
Outline
AuthorsIntroductionRelated worksPeople-Nearby ApplicationsMethodologyDiscussionComment
![Page 6: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/6.jpg)
Introduction
People-Nearby Applications (PNAs)•For dating
•Grindr or Skout•For finding activity partners
•Highlight or Circle
![Page 7: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/7.jpg)
Introduction
People-Nearby Applications (PNAs)•For dating
•Grindr or Skout•For finding activity partners
•Highlight or Circle
![Page 8: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/8.jpg)
Introduction
People-Nearby Applications (PNAs)•For dating
•Grindr or Skout•For finding activity partners
•Highlight or Circle
![Page 9: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/9.jpg)
Introduction
Badoo•175 million users
Skout •1 million new users every month
Grindr•4.1 million registered users
![Page 10: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/10.jpg)
Introduction
•Two main contributions •Analysis of usage patterns•Connection of the physical realm and the digital realm
![Page 11: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/11.jpg)
Introduction
• Circlehttp://www.youtube.com/watch?v=WYTT3FoKrMo
• SayHihttp://www.youtube.com/watch?v=utAfdLVByLI
![Page 12: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/12.jpg)
Outline
AuthorsIntroductionRelated worksPeople-Nearby ApplicationsMethodologyDiscussionComment
![Page 13: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/13.jpg)
RELATED WORKS
• Privacy in location-based social applications•Foursquare
•empirically explore emerging usage practices in the real world.
![Page 14: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/14.jpg)
RELATED WORKS
• computer-mediated communication• certain language-based strategies to reduce uncertainty
![Page 15: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/15.jpg)
RELATED WORKS
• Hybrid ecology• Dragon Quest 9
• interact with each other in an urban environment
![Page 16: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/16.jpg)
Outline
AuthorsIntroductionRelated worksPeople-Nearby ApplicationsMethodologyDiscussionComment
![Page 17: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/17.jpg)
PEOPLE-NEARBY APPLICATIONS
Focus•provide general means of communication between strangers
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PEOPLE-NEARBY APPLICATIONS
•Badoo is a social network where you can meet new people.•Email, name, age,gender, sexual orientation
![Page 19: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/19.jpg)
PEOPLE-NEARBY APPLICATIONS
•Banjo integrates the largest social networks to provide on-the-ground view.•Facebook login
![Page 20: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/20.jpg)
PEOPLE-NEARBY APPLICATIONS
•Blendr -The new way to make friends nearby.•Birth date
![Page 21: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/21.jpg)
PEOPLE-NEARBY APPLICATIONS
•Circle Social Radar to find your friends and contacts that are nearby.•Facebook login
![Page 22: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/22.jpg)
PEOPLE-NEARBY APPLICATIONS
•Highlight -Fun, simple way to learn more about the people around you.•Facebook login
![Page 23: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/23.jpg)
PEOPLE-NEARBY APPLICATIONS
•Grindr Grindr is the essential location-based app to meet gay, bi and curious guys for dating, socializing and friendship.•Nickname
![Page 24: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/24.jpg)
PEOPLE-NEARBY APPLICATIONS
•SayHi SayHi can help you find new people nearby! •Nickname, sexual orientation, birthdate
![Page 25: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/25.jpg)
PEOPLE-NEARBY APPLICATIONS
•Skout Instantly meet people near you or around theworld.•Sexual orientation,search radius
![Page 26: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/26.jpg)
PEOPLE-NEARBY APPLICATIONS
![Page 27: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/27.jpg)
Outline
AuthorsIntroductionRelated worksPeople-Nearby ApplicationsMethodologyDiscussionComment
![Page 28: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/28.jpg)
METHODOLOGY
•100 KM or less from the interviewer.
•320 users were invited
•Interviewed 25 participants.
![Page 29: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/29.jpg)
METHODOLOGY
Why do participants use the applications?
![Page 30: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/30.jpg)
METHODOLOGY
’talking with new people’,’dating’, and ’making new Friends’
![Page 31: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/31.jpg)
METHODOLOGY
Use of Location
”Of course that location is important. I want to find someone and meet her, so why should I waste time on just talking? I won’t talk with someone who is 200 kilometer away.” -Male
![Page 32: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/32.jpg)
METHODOLOGY
Use of Location
I am here to meet people from Asia. I am interestedin the Far East.”-Female
![Page 33: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/33.jpg)
METHODOLOGY
Use of Location
”I am here mainly to improve my English.”-Male
![Page 34: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/34.jpg)
METHODOLOGY
Use of Location
”the location does tell me a little about them, their culture, their perception.” -Female
![Page 35: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/35.jpg)
METHODOLOGY
Trust Approaches
“nothing can help me trust people in this application”-Female
![Page 36: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/36.jpg)
METHODOLOGY
Trust Approaches
“is not particularly safe”-Female
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METHODOLOGY
Trust Approaches
“I do not believe that you can find someone who can be trusted through this app”.-Female
![Page 38: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/38.jpg)
METHODOLOGY
Trust Approaches
“Deception is very easy. Everybody can fill in fake details into their profiles.”- Male
![Page 39: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/39.jpg)
METHODOLOGY
Trust Approaches
“Everybody wears a mask when they are online”-Female
![Page 40: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/40.jpg)
METHODOLOGY
Trust Approaches
“Everything seems to be fake here. I do not think that I will be ablento meet someone here... I do not trust these apps very much.” -Male
![Page 41: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/41.jpg)
METHODOLOGY
Trust Mechanisms
location, profile, chat and blocking.
![Page 42: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/42.jpg)
METHODOLOGY
Trust Mechanisms
“Knowing the distance kind of helps me trust people.The feeling is that you can trust someone nearby as he or she are not total strangers.”-Male
![Page 43: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/43.jpg)
METHODOLOGY
Trust MechanismsQuestion: Does location helps you trust other people?Answer: -Male
Yes, in a sense. Also, because they see where I am. If I am saying that I am somewhere near X and they see that its really so.On the other hand, its also possible to use [location] for deception by blocking it on the mobile.
.-Male
![Page 44: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/44.jpg)
METHODOLOGY
Trust MechanismsQuestion: does the physical location [of the otherperson] affect your trust?Answer: -FemaleYes. The further away I am, the more I believe there is no chance of meeting that person.
![Page 45: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/45.jpg)
METHODOLOGY
Trust Mechanisms
“I try to ask a lot of questions, and to request photos to see if the person is trustworthy or not.”-Male
![Page 46: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/46.jpg)
METHODOLOGY
Trust Mechanisms
“A profile picture and a picture album mean that theperson is actually the person in the picture... Posts, vocabulary and location give an indication for intelligence and trust.”-Male
![Page 47: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/47.jpg)
METHODOLOGY
Trust Mechanisms
“I ask some basic questions, and I continue to where it takes me. If I see that it [the chat] becomes harassing,I block right away.”-Female
![Page 48: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/48.jpg)
METHODOLOGY
Privacy Management
•Recognizable picture•only 3 out of the 7 females exhibiting
•“I never give my [phone] number here or my Facebook [page].”-Female
![Page 49: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/49.jpg)
METHODOLOGY
Application Usage Context
![Page 50: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/50.jpg)
METHODOLOGY
Application Usage Context“I move them to Skype, with camera and all that.”-
Female
“Question: How do you make sure that someone is trustful?
Answer: -MaleFacebook. You cannot fake pictures with friends,and
friends’ comments and stuff like that.”
![Page 51: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/51.jpg)
Outline
AuthorsIntroductionRelated worksPeople-Nearby ApplicationsMethodologyDiscussionComment
![Page 52: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/52.jpg)
DISCUSSION
•Pseudo-anonymized identity schema•Public-hybrid ecology•Search radius:
•Average of 50km,Standard deviation of 20km.
![Page 53: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/53.jpg)
Outline
AuthorsIntroductionRelated worksPeople-Nearby ApplicationsMethodologyDiscussionComment
![Page 54: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/54.jpg)
COMMENT
Mark Zuckerberg -This is a map of all of the friendships formed on Facebook across the world. 2013/9/24
![Page 55: Locality and Privacy in People-Nearby Applications Mike Lin UbiComp’13, September 8–12, 2013, Zurich, Switzerland.](https://reader035.fdocuments.us/reader035/viewer/2022062313/56649cef5503460f949bd9a4/html5/thumbnails/55.jpg)
COMMENT
Radius:90km