Polycola is a metasearch engine which was previously known as GahooYoogle. It simultaneously searches Google, Yahoo!, Live Search, Ask.com, Dogpile, AltaVista and AOL.
It was started with the domain www.GahooYoogle.com in 2005 but it was shut down due legal problems. Currently it is operating with the address www.polycola.com
Its shows search results in two vertical window at a time.