Google Groups - Getting Started - Cheat Sheet
Overview
Google Groups makes it easy for teams, workgroups, and public communities to manage and participate in online discussions. 

What you get with Google Groups
  • A clean, streamlined look

  • Collaborative Inboxes

  • Web and Q&A forums

  • Improved topic search and findability

  • Richer posts with file attachments

  • Member roles and permissions

 
http://learn.googleapps.com/groups/groups-video
Watch a video! In a Collaborative Inbox, team members can easily assign and track support tickets and other queries from customers or co-workers.

How To

In a Q&A forum, members of your user community can help each other solve problems and answer questions. The Going Google Forum is a Google Group embedded on a site.