"Do a barrel roll" is known as an 'Easter Egg' There are various ones embedded in software. If you have Google Earth then there is a flight simulator embedded in it (press Ctrl+Alt+A)
Jeez those developers have WAYYYY to much time on their hands....maybe I should ask for their help with the Superbike move
I have just un-installed Chrome as it was slowing EVERYTHING down. No gimmicks will re-ignite the love sadly... Come back Firefox, all is forgiven!
Anyone else annoyed by the improvements? I don't want my most visited sites added to a new tab! Grrrr...!!!
i think its one of series of 'jokes' that google have put onto their search pages, such as 'anagram' etc, so its the search engine itself rather than the browser.
here you go, theres loads of google tricks and jokes. List of Google hoaxes and easter eggs - Wikipedia, the free encyclopedia