I learned about this visual search tool when I decided to check-in on the Twitlive video stream and ended up watching a Net@Nite discussion between Leo LaPorte and Sarah Lane...

Spezify

I'm not sure it is something I will use regularly. But, it does provide an interesting way to literally "look for something" on the web.

Note: It doesn't render correctly when viewed using Safari 4. However, Firefox 3's rendering looks fine.