Interesting word to type in google seach engine

Did you know if you type some particular word in google can make some odd result ?

Here's few word to type in google search engine :

• askew and press Enter
• do a barrel roll and press Enter
• zerg rush and press Enter
• super mario bros and click the flashing box (box with ? sign on the right)
• Google gravity and click  “I’m feeling lucky” button
• <blink> and press Enter
• google in 1998 and press Enter

Try it :D