Google is releasing a new version of the software that runs on Search Appliance. Version 6.0 can search billions of documents. They're also releasing a new hardware Search Appliance that can search 30 million documents.
Google Search Appliance can be deployed to search billions of documents in 5 racks of about 10-12 GSA's each. A little over a year ago, it took a 5 box rack to search 10 million documents. So, you can see how the progress is coming fast and furious.
Google Search Appliance is an enterprise solution that enables companies to search internal documents or provide site search for websites.
The announcement of Version 6.0 comes with a Google-made video that has the look and feel of a Spanish-language soap opera: