Sukhanthfinalppt
- 1. WEB 2.0 By RAJA SUKHANTH VARMA.C
- 2. WEB 2.0 OVER VIEW What is Web 2.0?
- 3. Web 2.0: Evolution Towards a Read/Write Platform
- 9. conclusions
- 10. What is Web 2.0? It is Second generation of services available on the Web that lets people collaborate and share information online.
- 11. O'Reilly Media and MediaLive International popularized the term
- 12. From a technology perspective Web 2.0 uses AJAX, Mashups and RSS predominantly > Blogs, wikis, photo /video sharing sites, social networking sites > Online web services that share data
- 13. Web 2.0: Evolution Towards a Read/Write Platform 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. Web 2.0 Characteristics Rich user experience
- 16. Dynamic content
- 17. Web standards and scalability
- 18. Openness
- 19. Freedom
- 21. Web 2.0 Features/Technologies Technological infrastructure: server software, content syndication, messaging protocols, browsers with plug-ins and extensions, various client applications.
- 22. Cascading Style Sheets (CSS) to separate presentation from content
- 24. Microformats extending pages with semantics
- 25. REST, XML, JSON based APIs
- 26. Rich Internet application techniques based on AJAX
- 27. RSS or Atom feeds for syndication and notification of data
- 28. Mashups of content from different sources
- 29. Weblog publishing, and wikis
- 30. What is AJAX? Ajax is not a technology in itself
- 31. Shorthand for Asynchronous JavaScript and XML
- 32. The term was first used by Adaptive Path only in Feb 2005
- 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. 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. The Ajax technique uses a combination of: XHTML and CSS, JavaScript, XMLHttpRequest /IFrame object
- 36. What are Blogs? Blog = web log
- 37. A web page with periodic posts in reverse chronologic order
- 38. Blogs began as online journals or diaries
- 39. Grew rapidly in the political arena
- 40. Older statistics from Techorati, Oct. 2006: 57 million blogs; number of blogs doubles every 23 days
- 41. 100,000 created every day
- 42. 55% are “active,” updated once every 3 months
- 43. 1.3 million posts a day No one is counting any more!
- 44. Social Networks How it works:
- 45. First, create a profile for yourself
- 46. Then connect with others thru people you know either directly or via 6 degrees of separation principle
- 47. Meet more qualified people than ever possible in the physical world
- 48. Safe, convenient online meeting place (trust factor)
- 49. Share ideas, experiences, and learn from people like you
- 50. Stay in touch
- 51. Facebook – youth/young adults, utilitarian, fastest growing
- 52. MySpace – youth/young adults, music/video focus, fantasy, escape
- 53. LinkedIn – adults, professional, job seeking
- 54. About 75 more sites claim to enable social networking
- 55. Conclusions New software and services change rapidly
- 56. Living in the “always beta” world
- 57. Taking advantage of user-generated content
- 58. Tapping into new ways of doing things
- 59. Keep an open mind!
- 60. Thank You!