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Web 2.0 wikis allow any member of the community to edit pages, making them a good choice for collaborative groups. However, vandalism and misinformation can be problems. Wikis allow for continuous creation and updating of content, but differing opinions can cause issues. Wikipedia is a famous example, but smaller wikis are also established.
A web 2.0 wiki is a type of website where every page can be edited by any member of the community. This shares the task of creating and maintaining website content among large numbers of users, thus making wikis a good choice for collaborative groups. The open nature of web 2.0 wikis can, however, cause problems with vandalism and misinformation. Wikipedia is an example of a web 2.0 wiki, but there are many others on the Internet.
Web 2.0 wikis are similar to any other type of website except in the way the content is created and maintained. Other types of websites, such as blogs, are usually written by a small team of writers and can only be edited by these same people. The content of Web 2.0 wikis, however, can be freely modified by a large number of users. Some wikis allow anyone to edit, while others require a user to join or be invited. This makes wikis a powerful collaboration tool.
The main advantage of Web 2.0 wikis over other types of websites is that content can be continuously created and updated by large numbers of people. This allows the website to provide a greater amount of information than would normally be possible with a small group of writers. Inevitably, a larger group of contributors also translates into a wider range of expertise, so wikis have the potential to provide a more comprehensive overview of a particular topic.
However, there are problems with web 2.0 wikis, which is why they aren’t suitable for all websites. The large number of contributors, for example, can also have a potential downside. If there are community members who intentionally add misinformation or vandalize a page, the value of the content is significantly reduced. Also, while web 2.0 wikis work well for informational topics where correct and incorrect entries are clear, differing opinions can turn pages on controversial issues into “battles” between editors.
Wikipedia is probably the most famous example of web 2.0 wiki, but the software that runs the site is open source and can be used freely by anyone. This means that a large number of smaller web 2.0 wikis have become established. Science groups, for example, often create private Web 2.0 wikis where members can collaborate. Some complex computer games also run wikis where players can share information and tactics.
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