New or reacquaint2007 came up with a number of new and improved features. Most are the same in 2010-13.
Here's a description of some built in tools.
Beyond the Ribbon
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"Instead of telling your users to go out to Microsoft.com and do a search, put hyperlinks to the printer-friendly version of tip sheets and articles on your company's main portal page. Providing links to information you know they need will help you cover the training bases. And presenting the links on an internal web site they already use will show your users that it's okay to go outside of their four firewalls to learn something new. Include your favorite hyperlink in your signature line so it goes out in every e-mail you send."