- Attach meta data to any object in a standard, centralised way (*)
- Edit meta data in a single place in Admin (*)
- Sanitise and escape admin user data appropriately (**)
- Attach meta data to any path (**)
- Attach meta data to any view (***)
- Allow custom meta data to be deployed universally across site (***)
(*) Convenient, often done anyway (**) Very useful, rarely done properly (***) Extremely useful, almost never done