The Tool: Gmail
The Crib Sheet
Gmail Module
Gmail on Google +
Gmail Ninja Program
Links to Gmail Help Pages:
The Official Gmail Blog
10 reasons to use Gmail
What's new in Gmail
Gmail Help Center
Unofficial Help
Become a Gmail Ninja <------
Gmail Ninja Crib Sheet
Gmail Keyboard Shortcuts
Gmail Labs
Priority Inbox
Additional Resources for Gmail:
10 Steps to a Gmail Makeover
Main South High School Gmail Resources
CEUSB Gmail Resources
Top 10 Tips - Apps Mail
Sending from multiple addresses in one account
Export from Outlook into Gmail
Using Canned Responses
Syncing Exchange Server with Gmail