http://2.bp.blogspot.com/_Ln0bvERl9jA/TC42z_I6S_I/AAAAAAAAASg/x8KNh-aJLxU/s400/orkut_doodle_usa_4th_july_2010.png

Logo on Google.com is animated,
http://www.google.com/logos/goldberg10-hp-bg.png

Made a copy of the animated logo,
http://www.websonic.nl/googledoodles/doodle_independenceday.php

because it's Rube Goldberg's birthday!
[edit by myself ~ TOMHTML]

gif versioin:

https://static1.orkut.com/img/doodle/orkut_doodle_IndependenceDayUSA_a_v6.gif

http://www.youtube.com/watch?v=O8-z2TqFoks&feature=player_embedded

the files of the doodle:
http://www.google.com/logos/goldberg10-hp-bg.png
http://www.google.com/logos/goldberg10-hp-sprite.png
http://www.google.com/logos/goldberg10-hp-stars.png

Non-animated doodle:http://www.google.com/logos/goldberg10-hp.png

also birthday of Rube Goldberg

http://en.wikipedia.org/wiki/Rube_Goldberg

Thanks for sharing youtube video :) awesome doodle.