Privacy advocates are not enthusiastic about Google Desktop Search 3:
On February 9, 2006, a beta version of Google Desktop Search was released, which allows you to find documents stored on different computers. This is achieved by storing the relevant files on the Google server, so you need to have and use a Google account to use this feature.
Great idea. Of course, I'll put data from my workplace on a Google server. Where it's readily available for anyone who gains access to the boxes. Very big idea. Google may have the motto "don't be evil" - but they should also think about the motto "don't be stupid" ...