A wiki is a software engine that allows users to create, edit, and link web pages easily. Wikis are often used to create collaborative websites and to power community websites. They are being installed by businesses to provide affordable and effective Intranets and for Knowledge Management.
Wikis favor a better exploitation of a given organisation's knowledge base, the most knowledgeable being given access to an easy sharing mecanism.
Indeed, unlike traditionnal intranets, wikis give every employee the oppotunity to set up a topic or add to an existing one,