I couldn't find a perfect home for this, so I am putting it here.
Google.com is famous as a search engine and it's full of tricks. Here are a few new tricks you may bit have seen yet.
Google does calculations. For example, to find out how many times the number 8 goes into the number 720, just type 720/8 in the search box and press the Enter key to get the results. You can use the standard + and - keys to add or subtract. Use the / key to divide and the * to multiply.
You can also use Google to convert measurements. For example, type "100 meters in feet" (without the quotes) and press the Enter key for the results.
Use a dash to eliminate a word you don't want in your search results. For example, if you were looking for a Hilton hotel and not the Paris Hilton, you'd type Hilton-Paris as your search criteria.
Place quotes around your search query terms to direct Google to search for the terms together. For example, "George Bush