A wiki is a website that allows users to collaboratively write and edit its web pages using a simplified markup language or a WYSIWYG text editor. Wikis are often used to create collaborative websites and to power community websites. The first wiki was created in 1995 and was named wiki which is a Hawaiian word meaning quick. Wikipedia is the largest wiki website and is a free online encyclopedia that can be edited by anyone. Wikis can be used in education for a variety of purposes such as communicating with parents, sharing resources between teachers and students, and creating collaborative student projects. Popular free wiki hosting websites include PBworks and WikiSpaces.