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Sukhanthfinalppt

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web 2.0 presentation

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Sukhanthfinalppt

  1. 1. WEB 2.0 By RAJA SUKHANTH VARMA.C
  2. 2. WEB 2.0 OVER VIEW <ul><li>What is Web 2.0?
  3. 3. Web 2.0: Evolution Towards a Read/Write Platform
  4. 4. Web 2.0 Characteristics
  5. 5. Web 2.0 Features/Technologies
  6. 6. What is AJAX?
  7. 7. What are Blogs?
  8. 8. Social Networks
  9. 9. conclusions </li></ul>
  10. 10. What is Web 2.0? <ul><li>It is Second generation of services available on the Web that lets people collaborate and share information online.
  11. 11. O'Reilly Media and MediaLive International popularized the term
  12. 12. From a technology perspective Web 2.0 uses AJAX, Mashups and RSS predominantly </li></ul>> Blogs, wikis, photo /video sharing sites, social networking sites > Online web services that share data
  13. 13. <ul>Web 2.0: Evolution Towards a Read/Write Platform </ul>Web 1.0 (1993-2003) Pretty much HTML pages viewed through a browser Web 2.0 (2003- beyond) Web pages, plus a lot of other “content” shared over the web, with more interactivity; more like an application than a “page” “ Read” Mode “ Write” & Contribute “ Page” Primary Unit of content “ Post / record” “ static” State “ dynamic” Web browser Viewed through… Browsers, RSS Readers, anything “ Client Server” Architecture “ Web Services” Web Coders Content Created by… Everyone “ geeks” Domain of… “ mass amatuerization”
  14. 14. <ul>Web 2.0 Characteristics </ul><ul><li>Rich user experience
  15. 15. User participation
  16. 16. Dynamic content
  17. 17. Web standards and scalability
  18. 18. Openness
  19. 19. Freedom
  20. 20. Collective intelligence </li></ul>
  21. 21. Web 2.0 Features/Technologies <ul><li>Technological infrastructure: server software, content syndication, messaging protocols, browsers with plug-ins and extensions, various client applications.
  22. 22. Cascading Style Sheets (CSS) to separate presentation from content
  23. 23. Folksonomy (collective tagging)
  24. 24. Microformats extending pages with semantics
  25. 25. REST, XML, JSON based APIs
  26. 26. Rich Internet application techniques based on AJAX
  27. 27. RSS or Atom feeds for syndication and notification of data
  28. 28. Mashups of content from different sources
  29. 29. Weblog publishing, and wikis </li></ul>
  30. 30. <ul>What is AJAX? </ul><ul><li>Ajax is not a technology in itself
  31. 31. Shorthand for Asynchronous JavaScript and XML
  32. 32. The term was first used by Adaptive Path only in Feb 2005
  33. 33. Removes the need to reload entire web page each time the user makes a change. Increase the web page's interactivity, speed, and usability.
  34. 34. XML is used as the format for transferring data between the server and client. XML files may be created dynamically by some form of server-side scripting
  35. 35. The Ajax technique uses a combination of: XHTML and CSS, JavaScript, XMLHttpRequest /IFrame object </li></ul>
  36. 36. <ul>What are Blogs? </ul><ul><li>Blog = web log
  37. 37. A web page with periodic posts in reverse chronologic order
  38. 38. Blogs began as online journals or diaries
  39. 39. Grew rapidly in the political arena
  40. 40. Older statistics from Techorati, Oct. 2006: </li><ul><li>57 million blogs; number of blogs doubles every 23 days
  41. 41. 100,000 created every day
  42. 42. 55% are “active,” updated once every 3 months
  43. 43. 1.3 million posts a day </li></ul><li>No one is counting any more! </li></ul>
  44. 44. <ul>Social Networks </ul><ul><li>How it works:
  45. 45. First, create a profile for yourself
  46. 46. Then connect with others thru people you know either directly or via 6 degrees of separation principle
  47. 47. Meet more qualified people than ever possible in the physical world
  48. 48. Safe, convenient online meeting place (trust factor)
  49. 49. Share ideas, experiences, and learn from people like you
  50. 50. Stay in touch
  51. 51. Facebook – youth/young adults, utilitarian, fastest growing
  52. 52. MySpace – youth/young adults, music/video focus, fantasy, escape
  53. 53. LinkedIn – adults, professional, job seeking
  54. 54. About 75 more sites claim to enable social networking </li></ul>
  55. 55. <ul>Conclusions </ul><ul><li>New software and services change rapidly
  56. 56. Living in the “always beta” world
  57. 57. Taking advantage of user-generated content
  58. 58. Tapping into new ways of doing things
  59. 59. Keep an open mind! </li></ul>
  60. 60. Thank You!

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