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Wiki.

A wiki is a website that allows the easy creation and editing of any number of interlinked web pages via a web browser using a simplified markup language or a text editor.Wikis are typically powered by wiki software and are often used to create collaborative websites, to power community websites, for personal note taking, in corporate intranets, and in knowledge managementsystems. The goal of Wiki sites is to become a shared repository of knowledge. Wiki sites can be created for specific projects with a group of users and provide an excellent collaborative environment.A wiki-type site is ideal for a "community of practice" (COP), such as the ESL/EFL "Webheads in Action". A COP might use a variety of collaborative tools, but its goal is to expand knowledge and improve practice in a specific area. A wiki can serve as the primary class web site. Assignments can be posted to a wiki, which provides an additional potential benefit of allowing for peer review. Given the characteristics of wiki building and collaboration, it is a natural environment for group work of various kinds-- an elusive learning activity in the distance education environment. Unlike web blogs, wiki pages are rarely organized by chronology, instead they are organized by context, by links in and links out, and by whatever categories or concepts emerge in the authoring process. Blogs can be highly personal, wikis are intensely collaborative. Unlike chat rooms, wiki content is expected to have some degree of seriousness and permanence. ( Pikuseva Nadezhda). Wiki is a comfortable mean of studing. It provides a lot of opporunities to exchange information .It can be modified or contributed to by users.It can be used us encyclopaedias, or as blog. The most famouse example is Wikipedia. Many people all over the world use it. It contains articles on various topics. Olga Ovchinnikova Wiki is a piece of server software that allows users to freely create and edit Web page content using any Web browser. Wiki supports hyperlinks and has a simple text syntax for creating new pages and crosslinks between internal pages on the fly. Natalia Saygina