… act as a calculator, look up area codes and convert currency? Sure, it can find web sites, but as this article, 10 Simple Google Search Tricks – NYTimes.com shows, it can do a few things you likely didn’t know it could do. Neat!
Did you know you could get Google to…
Smart People I Know 
You can also get the “answer to life the universe and everything”
http://www.google.ca/search?q=answer+to+life+the+universe+and+everything&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
One of the more fun stuff I did was to search for weird conversions
once in a blue moon * speed of light
cool!