Web 2.0 websites allow users to do more than just retrieve information. By increasing what was already possible in "Web 1.0", they provide the user with more user-interface, software and storage facilities, all through their browser. This has been called "Network as platform" computing. Users can provide the data that is on a Web 2.0 site and exercise some control over that data. These sites may have an "Architecture of participation" that encourages users to add value to the application as they use it. Some scholars have made the case that cloud computing is a form of Web 2.0 because cloud computing is simply an implication of computing on the Internet.

WEB 2.0 is the emerging technologies of internet. It provides interaction with end user to share online videos, documents, and images. It gives you advance services to organize and share your life worldwide. Main things of web 2.0 are sharing personal information much easier. AJAX is a powerful tool of WEB 2.0 technology.

Web 2.0 is a web application features that helps in sharing information customized by user with collaboration on World Wide Web.

Web 2.0 can be created on web 2.0 sites submitting blogs interacting social media. Examples of Web 2.0 include social networking sites, blogs, wikis, video sharing sites.

According to me there are many ways to get links. You can write awesome content that people will want to link to, submit your site to directories, submit press releases, comment on blogs, post on forums, syndicate articles, guest post, etc.

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Web 2.0 is the term given to describe a second generation of the World Wide Web that is focused on the ability for people to collaborate and share information online.

The technologies encompassed by Web 2.0 include, but are by no means limited to, blogs, tags, RSS, social bookmarking, and AJAX. Web 2.0 describes a set of next-generation Internet technologies.