Google released a hard disk search engine for the same interface as the web search, integrated with two search together. After installation, it first makes a disposable index for the hard disk document (longer), so the document on the hard disk is then searched as a web search, very convenient, fast.
Google Desktop Search Finds:
Outlook / Outlook Express Word AOL Instant Messenger Excel Internet Explorer PowerPoint Text
download link:
http://desktop.google.com/
