Google might already know what keywords you should add to your search to find exactly what you're looking for.
As described in "Autocomplete Search Terms as You Type" [Hack #55] , you can visit http://www.google.com/webhp?complete=1 and start typing, and Google Suggest will autocomplete your query as you type. By itself, this is wickedly cool. Now, let's make it even cooler by integrating it into the main Google web search. Along with the usual search results, you'll see a list of related queries made up of additional keywords, so you can refine your search.
For example, if you type firefox, Google Suggest constructs this URL:
Enter that URL in your location bar and you'll see Google's response:
sendRPCDone(frameElement, "firefox", new Array("firefox", "firefox download", "firefox browser", "firefox extensions", "firefox plugins", "firefox mozilla", "firefox themes", "firefox.com", "firefox web browser", "firefox 1.0"), new Array("25,900,000 results", "8,000,000 results", "6,990,000 results", "1,270,000 ...