Checklists, Notes, Snippets and To-do lists . Put it on your wiki.
Plan an event . Conferences, weddings, off-site meetings, parties … events of all kinds have been planned with wikis, Multiple people can access the plans, you can create different sections for different planning areas, create checklists, add notes, ideas, images, contact info, and much more.
FAQs . If you get a lot of questions about your work, or product, or just about yourself personally, you can keep an ever-growing FAQ to prevent having to repeat your answers too many times. Then just point people to your FAQ url.