Wolfram|Alpha, found here, is touted to be a potential google killer. It is a “computational knowledge engine”, or in other words a search engine that intelligently finds answers to your questions. Although a largely secret operation, it is has been highly anticipated in the Internet community not only as a google killer but also as revolution for search engine technology. It is also touted as an efficient way to search the web and data mine. It is currently accepting a few select individuals for alpha/beta testing before its launch date of sometime in May, 2009.
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