Want to search for recent additions to Google? Check out GooFresh. Want to search Google for two search terms that appear within a certain distance from each other on a page? Use GAPS - Google API Proximity Search. Want to find out what the smart PhDs at Google are working on? Take a look at Google Labs. Want to become a Google power user? I just got my hands on Google Hacks and would highly recommend it. For complete control of your Google search results head over to the Google Ultimate Interface. Feel free to add your own tips.