Here are some: 1. * Wikis can be edited by multiple approved people 2. * All edits are tracked in the page's history 3. * Linking between pages on a wiki is very simple 4. * Pages are automatically placed in a list of all pages 5. * A recent changes page shows all edits made to the wiki 6. * Any bad edits can be easily reverted 7. * Notetaking 8. * Knowledge management 9. * Community Websites 10. * Intranets Many language add more!