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All content in this presentation is property of the authors, not the presenter. No copyright claims are made, and
redistribution is strongly prohibited.
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Talking inCircles
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Sanjay KairamMichael J. Brzozowski
David HuffakerEd H. Chi
Paper by
Benjamin ReedPresented by
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800 million
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“In situations where readership may not be clearly delineated, users often underestimate the size of their potential audience.”
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personal professional
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coworkersfamily
friends recruiters
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selective sharing
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BobbyjoeMikeMooreSteveJobsJennyCraigiWantAPumpkinNotAnOptimistIsThisCool
jwnkfqeuo2nqdf8723unidjwxweiquh823ejdipmw80293823Iq9h832eouinus98a0ijdas98djj08j12e92083jeiqwnkdm2908Xinu098qj2e08h23rq0h08q7hqihq23ue80j2q3eu8h23e07hqiuheoiuqhweiuqheuhqweuio
weiquh823ejdipmw80293823
Xinu098qj2e08h23rq0h08q7h
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1. public posts2. selectively shared (posts using
circles)3. posts targeted to specific users
3 Visibility Types of Posts
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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%
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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%
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Coding Circle Names my fam
Best friendsDon’t
even know
Mi Familia
Sales people
AlterEgos
label
family
Jane Jacob
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2 High Level Categories life facets
• work (employee/employer relationships)
• school (education circles)
tie strength• Strong relationships ‘best’• Weak relationships ‘extended’
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Results
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Two Conclusions• some users are selectively sharing• the majority of circles were named to group life facets, tie strength,
and topical interest
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• 2500 asked• 300 qualified• 168 participated• 6 demographically uncertain• Remainder 74.2% male (various ages)• 12 selected for semi-structured
interviews
The Participants
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• 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
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• 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
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• Inner circles (tight-nit groups)• Structured groups (Church groups)• Interest Groups (Knitters)• Catch-All (for everone else)
Types of Circles
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“Circles reflect a need to manage content separately for different life facets (with a focus on ‘professional’ life) and according to tie strength.”
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