http://yro.slashdot.org/yro/04/10/15/1840215.shtml?tid=217&tid=158
it indexes your files across all users on your PC, bypassing usercomments powered by Disqus
protections. The Google cache feature allows all users to browse the
contents of messages and files it has indexed, irrespective of who is
logged in. 'This is not a bug, rather a feature,' says Marissa Mayer,
Google's director of consumer Web products.