You can now allow a group to edit or view individual documents, spreadsheets, presentations or files.

Editions included:
Standard, Premier, Education, Team and Partner Editions

Languages included:
All languages supported by Google Docs

How to access what's new:
To share a Google Doc with a group, select 'Share', choose 'Invite people...' and enter group email address.

For more information:
http://googleenterprise.blogspot.com/2009/08/sharing-with-groups.html

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