The use cases are plentiful for businesses:

    * Update Google Sites from 3rd party applications – e.g. your sales
team's Google Sites pages can update automatically when new leads are 
added to your CRM system.
    * Migrate files and content from workspace applications like 
Microsoft SharePoint and Lotus Notes to Google Sites.
    * Export Google Sites pages, edit them offline, and re-import the 
updated content.
    * Export your sites, including every page revision, for backup.
    * Easily monitor changes across your important internal and public 
sites, all from a single gadget.
    * Push new content like changes to employee policies or a new 
corporate logo to any site on your domain, even sites created by 
individual employees.