The characterization of Web 2.0, a catchphrase that is used over and over again in the Web business, is a tad ambiguous. Nevertheless Web 2.0 sites on a regular basis embrace interactive resources that mean sites that facilitate customers to contribute to views, thoughts, photographs, videos and also favorite web links. This is discrete from a simpler range of websites (Web 1.0) that are by and large stagnant sources of information. The acclaim is given to administrative staff of O’Reilly Media for coining this phrase while coming up with names for a technology symposium several years ago.

Websites that implement Web 2.0 have additional things to propose to their users than just repossess information. They can put together the interactive features of Web 1.0 to make available network as a platform computing, permitting clients to run software-applications wholly through a browser. Users will be in absolute command over their records on these sites. Web 2.0 sites also promote involvement from users to attach worth to the applications they use. So they are extremely special from long-established websites which offers inadequate presentation to their clients and the contents of which can only be altered by the site vendors. The sites have a feature-rich and user-friendly interface based on Ajax, Flex or alike rich media and social-networking characteristics.

The fraction of the attractiveness and supremacy of the original Web places in its straightforwardness. Web sites were made of pages, each one of which could have text and images. Those pages were able to attach to other information on the Web through links. You could link to the information on a particular page by inserting a few simple lines of code. From that point on, your site was connected to that other page and succeeding visitors to your site could follow that connection with a solitary mouse click. In some fundamental sense, those two pages of information were interacting with each other, but the switch over between them was only uncomplicated.

Social software has turned up as a most significant component of the Web 2.0 progress. The idea can be traced back to the 1960s and JCR Licklider’s views on using networked computing to connect people in order to develop their knowledge and their competence to learn. The Web technologies of the succeeding generation have been tremendously social, as listservs, Usenet groups, discussion software, groupware and web-based communities have connected people throughout the world. During the past few years, a group of web projects and services were thought as especially connective, receiving the rubric of social software: blogs, wikis, trackback, podcasting, videoblogs, and enough social networking tools like MySpace and Facebook to give rise to an abbreviation mocking their very happening as YASN (Yet Another Social Network).

The analysis of economic aspects of Web 2.0 applications has received specific attention. Extensive research has taken place to investigate the economic implications of Web 2.0 and the principles behind the economy of Web 2.0. Organizations can make use of these principles and models to grow with the help of Web 2.0 applications. One of the important steps in realizing Web 2.0 is its transition to semantic markup or markup that precisely defines the content it’s applied to. The popular markup languages like HTML and XML can be used for display purposes and CSS is used to apply styles to these contents. However, these markup languages are not semantically dead. Designers can describe content, but only to the extent that it fits within the (X) HTML tag set. For example, designers can mark up content as headers, paragraphs, list items, citations and definition lists using the

,

,

, and

tags in that order. For some simple documents, these tags are ample to describe content effectively. For most documents, there is no way to correctly describe the content with the (X) HTML tags available. In Web 2.0, this description is not only possible, but also decisive.

Tags: Breakthrough Technologies of Web 2.0