Here is a great YouTube video with Matt Cutts (the head Google engineer) explaining in a very easy to understand presentation, how to remove your content from Google and also how to prevent Google and other search engines from ever indexing content that you do not want to make public in search engines.
He talks about [...]

I do not think many Googler’s out there realize that the google search box can be used for more things then just keyword searchers for websites. I was reading Matt Cutt’s blog at www.mattcutts.com ( the head Google engineer) the other day and came accross some very nifty features that have recently been built into [...]