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Locality and Privacy in People-Nearby Applications. UbiComp’13, September 8–12, 2013, Zurich, Switzerland. Mike Lin. Outline. Authors Introduction Related works People-Nearby Applications Methodology Discussion Comment. Authors. Eran Toch

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locality and privacy in people nearby applications

Locality and Privacy in People-Nearby Applications

UbiComp’13, September 8–12, 2013, Zurich, Switzerland

Mike Lin

outline
Outline

Authors

Introduction

Relatedworks

People-Nearby Applications

Methodology

Discussion

Comment

authors
Authors

Eran Toch

LecturerDepartment of Industrial Engineering, The Iby and Aladar Fleischman Faculty of Engineering ,

Tel Aviv University.

authors1
Authors

Lab and Research Group at 

Tel Aviv University

Junior Faculty - Cognitive Aspects of Human Factors, Quantitative Models of Human Performance at Tel Aviv University

Project Manager & Inter-Enterprise Process Management System Designer at IBM

Security Staff at IAA

outline1
Outline

Authors

Introduction

Relatedworks

People-Nearby Applications

Methodology

Discussion

Comment

introduction
Introduction
  • People-Nearby Applications (PNAs)
  • For dating
    • Grindr or Skout
  • For finding activity partners
    • Highlight or Circle
introduction1
Introduction
  • People-Nearby Applications (PNAs)
  • For dating
    • Grindr or Skout
  • For finding activity partners
    • Highlight or Circle
introduction2
Introduction
  • People-Nearby Applications (PNAs)
  • For dating
    • Grindr or Skout
  • For finding activity partners
    • Highlight or Circle
introduction3
Introduction
  • Badoo
    • 175 million users
  • Skout
    • 1 million new users every month
  • Grindr
    • 4.1 million registered users
introduction4
Introduction
  • Two main contributions
    • Analysis of usage patterns
    • Connection of the physical realm and the digital realm
introduction5
Introduction
  • Circle

http://www.youtube.com/watch?v=WYTT3FoKrMo

  • SayHi

http://www.youtube.com/watch?v=utAfdLVByLI

outline2
Outline

Authors

Introduction

Related works

People-Nearby Applications

Methodology

Discussion

Comment

related works
RELATED WORKS
  • Privacy in location-based social applications
    • Foursquare
      • empirically explore emerging usage practices in the real world.
related works1
RELATED WORKS
  • computer-mediated communication
    • certain language-based strategies to reduce uncertainty
related works2
RELATED WORKS
  • Hybrid ecology
  • Dragon Quest 9
    • interact with each other in an urban environment
outline3
Outline

Authors

Introduction

Relatedworks

People-NearbyApplications

Methodology

Discussion

Comment

people nearby applications
PEOPLE-NEARBY APPLICATIONS
  • Focus
    • provide general means of communication between strangers
people nearby applications1
PEOPLE-NEARBY APPLICATIONS
  • Badoo is a social network where you can meet new people.
  • Email, name, age,gender, sexual orientation
people nearby applications2
PEOPLE-NEARBY APPLICATIONS
  • Banjo integrates the largest social networks to provide on-the-ground view.
  • Facebook login
people nearby applications3
PEOPLE-NEARBY APPLICATIONS
  • Blendr-The new way to make friends nearby.
  • Birth date
people nearby applications4
PEOPLE-NEARBY APPLICATIONS
  • Circle Social Radar to find your friends and contacts that are nearby.
  • Facebook login
people nearby applications5
PEOPLE-NEARBY APPLICATIONS
  • Highlight -Fun, simple way to learn more about the people around you.
  • Facebook login
people nearby applications6
PEOPLE-NEARBY APPLICATIONS
  • Grindr Grindr is the essential location-based app to meet gay, bi and curious guys for dating, socializing and friendship.
  • Nickname
people nearby applications7
PEOPLE-NEARBY APPLICATIONS
  • SayHi SayHi can help you find new people nearby!
  • Nickname, sexual orientation, birthdate
people nearby applications8
PEOPLE-NEARBY APPLICATIONS
  • SkoutInstantly meet people near you or around theworld.
  • Sexual orientation,search radius
outline4
Outline

Authors

Introduction

Relatedworks

People-Nearby Applications

Methodology

Discussion

Comment

methodology
METHODOLOGY
  • 100 KM or less from the interviewer.
  • 320 users were invited
  • Interviewed 25 participants.
methodology1
METHODOLOGY

Why do participants use the applications?

methodology2
METHODOLOGY

’talking with new people’,

’dating’, and ’making new Friends’

methodology3
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

methodology4
METHODOLOGY

Use of Location

I am here to meet people from Asia. I am interested

in the Far East.”-Female

methodology5
METHODOLOGY

Use of Location

”I am here mainly to improve my English.”-Male

methodology6
METHODOLOGY

Use of Location

”the location does tell me a little about them, their culture, their perception.” -Female

methodology7
METHODOLOGY

Trust Approaches

“nothing can help me trust people in this application”-Female

methodology8
METHODOLOGY

Trust Approaches

“is not particularly safe”-Female

methodology9
METHODOLOGY

Trust Approaches

“I do not believe that you can find someone who can be trusted through this app”.-Female

methodology10
METHODOLOGY

Trust Approaches

“Deception is very easy. Everybody can fill in fake details into their profiles.”- Male

methodology11
METHODOLOGY

Trust Approaches

“Everybody wears a mask when they are online”-Female

methodology12
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

methodology13
METHODOLOGY

Trust Mechanisms

location, profile, chat and blocking.

methodology14
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

methodology15
METHODOLOGY

Trust Mechanisms

  • Question: 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

methodology16
METHODOLOGY

Trust Mechanisms

Question: does the physical location [of the other

person] affect your trust?

Answer: -Female

Yes. The further away I am, the more I believe there is no chance of meeting that person.

methodology17
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

methodology18
METHODOLOGY

Trust Mechanisms

“A profile picture and a picture album mean that the

person is actually the person in the picture... Posts, vocabulary and location give an indication for intelligence and trust.”-Male

methodology19
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

methodology20
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
methodology21
METHODOLOGY

Application Usage Context

methodology22
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: -Male

Facebook. You cannot fake pictures with friends,and friends’ comments and stuff like that.”

outline5
Outline

Authors

Introduction

Relatedworks

People-Nearby Applications

Methodology

Discussion

Comment

discussion
DISCUSSION
  • Pseudo-anonymized identity schema
  • Public-hybrid ecology
  • Search radius:
    • Average of 50km,Standard deviation of 20km.
outline6
Outline

Authors

Introduction

Relatedworks

People-Nearby Applications

Methodology

Discussion

Comment

comment
COMMENT

Mark Zuckerberg -This is a map of all of the friendships formed on Facebook across the world. 2013/9/24

comment1
COMMENT

Radius:90km

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