Rus Articles Journal

What is Web 2. 0?

Often mentioned phrase Web 2. 0 is the reason of discrepancies and different speculation. Let`s try to find out what is Web 2. 0: stage of development of a world wide web, new technology or just fashionable phrase?

The first who used the phrase Web 2. 0, became the O`Reilly Media publishing house specializing in information technologies. There was it in 2004. A little later the head of publishing house Timothy O`Reylli formulated part of the principles of Web 2. 0. Lately sphere of Web 2. 0 extended, forcing out traditional Web - the services which received the name Web 1. 0.

Web 2. 0 is not technology or any special Web style - design. Definition of Web 2 is suitable for definition of an essence. 0 as integrated approach to the organization, realization and support of Web - resources. I suggest to consider the most known manifestations Web 2. 0 which, anyway, each Internet user met.

Wikipedia . Today it is the whole galaxy the Internet - the services positioned as reference books and encyclopedias. The name was born thanks to the website wikipedia. org about which I already wrote on the " pages; Schools of Life . Wikipedia represents base of reference information with granting practically to each user of an opportunity to edit data.

Blogs (interactive network diaries) represent one of the most striking examples of use of the principles of Web 2. 0. The considerable part of Web - content is created by users, but not owners of a resource. For this purpose actively use the RSS and FOAF technologies characteristic of Web 2. 0. Also tags (tags, tags) for thematic structuring content are used.

The FOAF technology (Friend Of A Friend) gives to the user the chance to subscribe for news and materials of those users which are in so-called list of friends . This most encourages communication of users of the Network. The FOAF technology is one of the major components social the Internet - networks.

RSS (Really Simple Syndication or, literally, really simple association (information) ) - it is the simple and effective technology of export of the hypertext used for creation of news lines. RSS, as well as other Web 2 technologies. 0, it is based on the XML language (eXtended Markup Language - English, expanded markup language).

Services of an exchange . These resources are filled at the expense of users, providing them the place for various files - music, movies, documentation, etc. RSS and tags are here too used.

Websites of a joint dokumentopolzovaniye . Similar services give to users the chance simultaneous and sharing of documents - it is possible to create, change, delete information available to general use. At the same time need for installation of the software on local computers disappears. In the field the recognized leader is the Writely service.

In this area the AJAX technology is widely applied by . AJAX (Asynchronous Javascript And XML - English. asynchronous Javascript and XML) - technology of the combined use of the Javascript and XML languages for creation of dynamic contents of web - resources.

of One of important features of the AJAX technology is the fact that loading on processing of dynamic data lays down on the user`s browser. At the same time data exchange the server - the user it is minimized, reducing costs of traffic. Similar approach considerably simplifies use of dynamic resources as the user does not need to reboot pages to see changes.

Once you mention also about web - appendices , part of the concept of Web 2. 0. More and more appendices receive the Web - analogs, relieving users of need to establish ON on the local computer. As a rule, use of web - service costs cheaper purchases similar not - web programs.

Some experts call Web 2. 0 soap bubble, baby`s dummy. Critics consider that there is nothing essentially new in use of the technologies existing and earlier. From purely technical point of view these critics are right. There is an opinion that Web 2. 0 - the next speculation which the fate well-known " is prepared; boom dotcom which crash of a set of IT - the companies in 2001 followed.

One more reason for Web 2 criticism. 0 steels of fear for safety of private information on the user. There are suspicions that investors of Web 2. 0 services are interested only in control over large volume of information of personal character. For example, information on preferences of the user, using which, it is possible to achieve absolutely exact focusing the Internet - advertizing.

However Web 2. 0 has also undoubted pluses. In usual services (in the Web 1 services. 0 as now it is accepted to speak) the user, in essence, is a passive consumer of services. The approach constructed on the basis of the concept of Web 2. 0, means more vigorous activity of users focused on participation in creation of content of a resource. In development of service experience and opinion of users of this service is considered. It does Web 2. 0 resources much more interactive, giving to users a freedom of expression.