The document discusses social network design and outlines several key elements. It discusses the network effect of new users, using social graphs from platforms like Facebook and Twitter. It then outlines design elements such as tutorials, personalization, friend networks, messaging, balancing cooperation and competition, user generated content, groups, badges, statistics, and profiles. It also covers design metrics like churn, cohort analysis, daily/monthly users, acquisition costs, and virality. Finally, it discusses designing for contribution through reputation, reciprocity, discovery, community, and engaging novice, regular, and evangelist user cycles.

1. Barcelona @leancamp
Social Network
Design
@JaumeTeixi
11/02/2012
Saturday, February 11, 12

2. Network Effect
Each new user adds
a positive or negative effect
for the rest
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3. Social Graph
Facebook Connect
Twitter Oauth
etc.
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4. Design Elements
Tutorial by Default
Personalization / Customization
Friends / Followers Ecosystem
User-to-User Messaging
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5. Design Elements
Balancing and Embracing
Cooperation / Competition
UGC User Generated Contents
Discovery & Creations of Groups
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6. Design Elements
Collecting /Achieving Levels / Badges
Statistics / Leaderboards w/ Friends
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7. Design Elements
User Profile Badge w/ Badges,Statistics
Enabling The Sharing Button
...of small pieces
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8. Design Metrics
Churn - Constant loss and gain of members
Cohort Analysis - Aggregates On Time
DAU/MAU - Comparing Daily Active Users to
Monthly Active Users
UAC - User Acquisition Cost
k-Factor - Viral Rate/Virality
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9. Design for Contribution
Social Influence - Reputation
Social Favors - Reciprocity
Social Discovery - Efficacy
Social Belonging - Community
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10. Design for 3 Cycles
Focus on 3 Engagements Cycles:
Novice - Clear Goals
Regular - Fresh Content
Evangelist - Exclusive Status
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11. Barcelona @leancamp
Thank You!
Questions?
@JaumeTeixi
11/02/2012
Saturday, February 11, 12