
Always fun when google decides to have a play and implement "easter eggs" into their search engine the latest being let it snow. Here is a list i found on the net of the current google easter egg's, Enjoy!
Barrel Roll: Type do a barrel roll and watch as google does a barrel roll a surprise based upon the nerdy Star Fox-inspired Internet meme
Gravity: Type Google Gravity and click "I'm feeling lucky" to observe Google collapse before your very eyes.
Askew: Type in tilt or askew and Google will slant your search results in an interesting way.
ASCII: Type in ascii art and Google logo will change its look to match your search criteria.
Alternative languages: Google doesn't discriminate. They kindly provide search services in such important languages at Klingon & Pirate.
Anagram: Searching for anagram causes Google to suggest "nag a ram"
Recursion: Searching for recursion causes Google to suggest "recursion" once again, for good measure
The Loneliest number: It's 1, of course
The answer to the universe: Most geeks know the answer to this one already.
Snowing: Type let it snow into google and watch as the snow and frost appear.
Christmas: Type christmas into google and you will see a set of fairy lights appear.