-try it, you should try it...you MUST it!
-test it, check it, revised it...you MUST use it!
where is it?...just check your upper-right corner in the google.com page!
...imagine what a internet page where you can access news (sport, nba, reuters, cnn, espn, etc) , weather forecast, horescope, curiosities, check your gmail, hotmail and others, google talk, messenger, to-do-list, notebook, google reader (you subscribe blogs and each time a post is release you immediately are notice [later i will tell about it]), calendar, rated released movies, wikipedia, dictionary, calc, ...you name it....all in the same webpage....so what do u think ah?
CONGRATULATIONS GOOGLE!...i'm one of your top fans!