Ramblings from another nerd on the grid
Windows Azure AD Rights Management provides the ability to enable the use of digital rights management technology in organizations that subscribe to the Office 365 preview services. Office 365 Preview customers can enable rights management capabilities within the Preview versions of Exchange Online, SharePoint and Office. These downloads enable an administrator to manage Windows Azure AD rights management features and configure Office 2010 for the Windows Azure AD Rights Management service.
Go get it @ http://www.microsoft.com/en-us/download/details.aspx?id=30339.