"talking in circles: selective sharing in google+"
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Talking inCircles
Sanjay KairamMichael J. Brzozowski
David HuffakerEd H. Chi
Paper by
Benjamin ReedPresented by
800 million
“In situations where readership may not be clearly delineated, users often underestimate the size of their potential audience.”
personal professional
coworkersfamily
friends recruiters
selective sharing
BobbyjoeMikeMooreSteveJobsJennyCraigiWantAPumpkinNotAnOptimistIsThisCool
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weiquh823ejdipmw80293823
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1. public posts2. selectively shared (posts using
circles)3. posts targeted to specific users
3 Visibility Types of Posts
1. public posts2. selectively shared (posts using
circles)3. posts targeted to specific users
33.9%74.8%
% of Users3 Visibility Types of Posts
10.3%
1. public posts2. selectively shared (posts using
circles)3. posts targeted to specific users
33.8%67.4%
% of Posts3 Visibility Types of Posts
5.8%
Coding Circle Names my fam
Best friendsDon’t
even know
Mi Familia
Sales people
AlterEgos
label
family
Jane Jacob
2 High Level Categories life facets
• work (employee/employer relationships)
• school (education circles)
tie strength• Strong relationships ‘best’• Weak relationships ‘extended’
Results
Two Conclusions• some users are selectively sharing• the majority of circles were named to group life facets, tie strength,
and topical interest
• 2500 asked• 300 qualified• 168 participated• 6 demographically uncertain• Remainder 74.2% male (various ages)• 12 selected for semi-structured
interviews
The Participants
• Describe their most recent post• Why did they share it?• Who did they share it with?• Why did they share it with only … ?
The Task
• 21.8% privacy• 23% interests of those in a circle• 7.9% explicit content• 43% based on acquiring the most
interactions from the content.
Reasons for Not Sharing Publicly
• Inner circles (tight-nit groups)• Structured groups (Church groups)• Interest Groups (Knitters)• Catch-All (for everone else)
Types of Circles
“Circles reflect a need to manage content separately for different life facets (with a focus on ‘professional’ life) and according to tie strength.”