* showing recent searches from your search history if you're logged in and Web History is enabled
* being able to remove suggestions from your search history
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In this example, "mailinator" is a suggestion from my search history.
* adding the top search result to the list of suggestion for navigational searches
* displaying the "Google Search" and "I'm feeling lucky" buttons below the list of suggestions
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"MSN" is a navigational query, since users want to navigate to MSN's homepage. Google saves you one click by sending you directly to MSN.com.
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It's not necessary to enter the full query to get navigational suggestions. Typing "quickt" is enough to display the top result: QuickTime's homepage.
* showing suggestions not just on the homepage, but also on search results pages
* removing the number of results for each suggested query
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Suggestions aren't useful just on the homepage.
If you don't see the new interface yet, here's how to enable it: go to Google's homepage, copy this JavaScript code in the address bar:
and press Enter. Refresh Google's homepage and you should see the new interface.