Have some spare time? want to learn how not to expose all your confidential information to the Google crawler, well, take a swing by http://johnny.ihackstuff.com/ here is a guy, that has devoted a lot of time into mapping how to utilize Google to search for all sorts of “interesting stuff”, stuff you were never supposed to see.
This is an eye opener for most, you really need to think before exposing anything to the Internet – be that webcams, alarms or just your dishwasher otherwise you may end up on a page like this.