Internet Search Is Looking To Go Web 2.0 With Social Searching
Yahoo, Microsoft and others are acknowledge that some questions are answered better by humans than a search engine algorithm. Social search generally refers to a Web site or service that relies on the participation of a community to come up with answers to specific questions or to provide links to Web sites or other resources of common interest.
I’m currently using Eurkester as a site search engine on my sites. I’m fairly happy with the results, both as a web publisher and as an user. They even dare you to compare their results to Google.