Page-level permissions allow you to set different levels of access for different people on different pages. For example, you could allow all your friends to see one set of pages, allow your family to edit another set of pages, and then keep yet another set of pages private only to yourself.
https://support.google.com/sites
Sunday, December 18, 2011
Google Page-level permissions
The long awaited feature for properly sharing your documents.Thanks Ron.
