1. Wiki
  2. Social Commerce
  3. Linkedin
  4. Collective Intelligence
  5. Wisdom of Crowd
  6. Folksonomy
  7. Social Media
  8. UGC
  9. Mashup
  10. Wikipedia
  11. Blog
  12. Really Simple Syndication
  13. Facebook
  14. Hosted Service
  15. XML
  16. Social Computing
  17. Extensible Markup Language
  18. Youtube
  19. Web-based Commnities
  20. Social Tagging
  21. Social Networking
  22. Twitter
  23. Social Bookmarking
  24. RSS