Web 2.0 introduced new concepts like RSS, blogs, video sharing that allow users to interact with websites and share content. With Web 2.0, websites use technologies like AJAX and JavaScript to provide dynamic content and allow users to update information in real-time. Popular Web 2.0 sites include Twitter, Flickr, YouTube, and WordPress, which enable sharing content through microblogging, photos, videos, and blogs. Web 2.0 applications are developed using server-side languages like PHP, Ruby, and ASP, as well as client-side technologies including JavaScript, CSS, and Adobe Flex.

3. World Wide Web is a service that operates over Internet just like e-mail, messengers, etc.,

4. Hypertext Transfer Protocol (Http) is the protocol used for sharing the information in the internet

5. Information is displayed in form of web pages

6. Browser is used to show the information to the user

8. Users can just view the information.

9. HTML (Hypertext mark up language) was used to create the static pages

10. Javascript, Dynamic Html where added to give some dynamic content

12. Users used the WWW just to view the information during Web 1.0 era

13. Users needed the WWW to be more user interactive and provide instant changes just like there desktop applications

15. Web 2.0 web sites allow the user to change the content of the web site

16. With the Web 2.0 the database on the web site grows with the user interaction

19. User has a application called feed reader to constantly check the changes in the content made to his favourite site

21. It is like a personal diary where the user can add contents to the page.

22. Comment can also be given for the contents by other users.

24. Youtube videos, Maps from google can be added to ones web page

26. Flicker: Site where the user can share photos, etc.,

27. Youtube: Site where the user can share videos

28. Wordpress: Site used to create Blogs

29. Google Docs: User can use various Office related document over the internet

30. SalesForce: An ERP - CRM over the Internet

32. Client Side: Javascript, CSS, Ajax, Adobe Flex framework, etc., to create dynamic web pages for the client

34. Server Side Programming: PHP

35. Database: MySql

36. Web Server: Apache

37. Other Tools: Joomla, Drupal, etc.,

39. Web 3.0 is believed to Intelligent web applications using Natural Language Processing concepts and other artificial intelligence concepts

40. The goal is to make online searches specifically to users needs

42. Web 2.0 increases the users interaction with the application

43. Most of the web sites over the internet uses Web 2.0 concepts to increase the use of there web application

44. ”Internet has become an indispensible part of Human life, web 2.0 acts as a bonding between the user and the Internet”