They've been running ads like this in Japan for several months now:

http://www.youtube.com/watch?v=ro0dc4sMku4
http://www.youtube.com/watch?v=msWY2Lt3dFE
http://www.youtube.com/watch?v=XNf6HYl6r5E
http://www.youtube.com/watch?v=oblhekZd-tA
http://www.youtube.com/watch?v=mzelkn9lvF0
http://www.youtube.com/watch?v=PmYE_58jNvI
http://www.youtube.com/watch?v=JLJYFkkAIas ...mostly likely because their market share here is around 35-40%, less than Yahoo! Japan's 50%.

...is its wide support of languages, including Elmer Fudd, Pig Latin, and other "languages". Who needs BabelFish? ;-)