Now that you've created your Google site, you can share it with your friends, family, coworkers, or make it public. Just click More actions in the top right of any page and select Share this site.
As the site owner, you can control who can edit and view your site by adding others as owners, collaborators, or viewers. Follow these steps:
Here's what owners can do:
Here's what collaborators can do:
Here's what viewers can do:
You can send up to 50 invites per day. If you make your site public, you don't need to send invitations for people to be able to view it.
Note: if you use Google Apps, you can control who can edit and view by domain. However, your domain administrator may restrict the ability to share outside the domain.
While you and your collaborators are editing your site, you can keep track of changes (and of the person who made them), and even revert to an older version by using 'Revision history.' From your site, click More actions in the top right of any page and select Revision history.
On the next page, you'll see a list of the site versions, the date and time each was last edited, and the name of the person who made the changes. You can also compare two revisions at a time by selecting one version and clicking the Compare two versions link.
If you change your mind about the most recent edits you or your collaborators made to the site, simply revert to an older version. Here's how:
Your document is reset to the version you selected. The replaced version is also included in the version history and can be restored as well.