Their GUI is somewhat refreshing. I like the colors and I like the “Explore by Category” box that breaks down information related to your search into categories. I think the entire interface is well done. However, I certainly think that the returned results leave something to be desired. Many of the searches that I did returned completely unrelated results on the first page, which would indicate an issue with the ranking algorithms.
All said and done, there's a lot of work to be done by Cuil if it wants to be a serious competitor of Google.


More infor on this at http://en.wikipedia.org/wiki/Cuil

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