Search 4 keywords at a time

The website with this address. http://googlegooglegooglegoogle.com/ give you facility to
Search 4 terms at a time..

Another Website which gives facility to Compare result from two most popular search engines in the world

http://www.polycola.com/

Are you looking to get involved into "reduce Global Warning Mission"

Then use this search engine

http://www.blackle.com

Any more methods exists!? Please comment with these..........

Regards
Sushant Danekar