Google ready to unleash spiders and expose your Google Docs
thenextweb.com
thenextweb.com
Simple as that. Just don't check off this option when sharing.
I don't know why everyone is so worried about this security wise.
http://www.timacheson.com/Blog/2009/aug/google_apps_are_a_ri...
http://www.elasticvapor.com/2009/09/is-privacy-in-cloud-illu...
Do that a month or so before they push the hits into Google results and no-one would have any reasonable basis to worry or complain.