20 Google Search Shortcuts to Hone Your Google-Fu

~From Lifehacker.com

Hidden behind Google's search box are a slew of shortcuts leading to so-called "OneBox" results that provide awesome tools and display helpful information quickly and directly. You might think you know them all, but a few are more hidden than others.

With these shortcuts, you can find the information you're looking for almost instantly, and you'll look like the smartest person in the room for knowing the results before anyone else!