This document discusses key concepts of Web 2.0 including social networking, user-generated content like blogging and tagging, user-filtered content, prediction markets, search, and identity. It examines these concepts at both a surface level of what users see and deeper level of the underlying technology that enables new forms of collaboration and sharing online.

4. TAKE A BETTER LOOK

5. WHAT DOES IT DO?

6. UNDER THE HOOD

8. Web 2.0

10. Bron: http://www.oreillynet.com/pub/a/oreilly/tim/news/2005/09/30/what-is-web-20.html

13. TAKE A BETTER LOOK

14. SOCIAL NETWORKING

17. IDENTITY 2.0

19. TAGGING

22. USER GENERATED CONTENT

25. BLOGGING

28. USER FILTERED CONTENT

32. PREDICTION MARKETS

33. http://www.biz.uiowa.edu/iem/

35. SEARCH

37. WHAT DOES IT DO?

47. UNDER THE HOOD

53. Special thanks to Flickr.com Youtube.com Wikipedia.org Google.com Time.com