General Social Media Sites

• The Best of Social
• Facebook
• Friendfeed
• MySpace
• Google Plus
• LindedIn
• Ning
• Hi5
• Orkut
• Foursquare

Social Media for Research & Collaboration

Scientific Networks

• Social Media and Online Collaboration
• ResearchGate
• globalEDGE
• Nature Network
• VIVO
• BiomedExperts
• Academia.edu
• Graduate Junction
• MethodSpace

Tools for Social Citations

• CiteULike
• Myendnoteweb
• Mendeley
• Zotero

Tools for social Bookmarking

• Delicious
• Diigo
• BibSonomy
• Sitebar

Social Media for Healthcare

• Patients Know Best
• Deloitte
• Microsoft healthvault

Social Media for Business

• Small Biz Bee
• Ryze
• Zoominfo
• ecademy
• Zoho
• Hubze
• Aboutus
• Yelp
• Plaxo
• Socialtext
• Spoke