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PowerStory - Create UI Wireframes, "Use Case Storyboards" and test cases using PowerPoint

Social Crawlytics - an easy way to see how often a web page has been shared online

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Wavii beta - Instant news feeds for any topic

Google+: There's more to explore

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Bottlenose - The Smartest Social Media Dashboard

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Design Solutions for New Log In Problems

Principles of Social Interaction Design

Platlas: The Social Platform Atlas

Facebook’s New Profiles: First Impressions

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Facebook Marketing als neue Disziplin im Marketing Mix

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Designing Social Patterns

Designing Social Interfaces

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