Here is a screencast which walks you through sharing your own document, and trying our collaboration features:

Of course, you can just play with one of the pre-existing shared documents.

The video width is 1280 pixels, so if you are browsing in a narrow window, you’ll need to expand your browser window to see it properly.  (Everybody has screens that wide these days don’t they, unless they are mobile?)

For completeness:

• here is the download link for our Word Add-In
  
• are you a Mac OSX or Linux user, or don’t have Word 2007?  check out docx4all
• if you can’t see the username/password in the video, please see here. The password is “tester”.
• any test documents you create using that logon will be publicly visible.  If you want your own private space, you can set that up here