If you are an experimental type of person and willing to discover new horizons when it comes to search tasks and search engine optimisation (SEO), you gotta try the new Google Search.
Here's how to try the new Google Search
You must use the international version of Google Search at http://google.com. If the link doesn't work, try http://google.com/ncr.
Here's more. You can also try the new Google Social Search, a Google Labs experiment that helps you find more relevant public content from your broader social circle.
Simply go to http://www.google.com/experimental and then click the 'Join this experiment' button.