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By Douglas MacMillan and Joel Schectman
Have a question for the Web? For most surfers, that's a job for Google (GOOG), which claims 64% of online searches. The site has become the go-to reference for hundreds of millions of queries every day.
But there is a growing field of upstart search sites—each with its own bag of tricks. From Microsoft's (MSFT) new Bing search engine to the data-crunching Wolfram|Alpha and the crowd-sourced Hunch, there may be more approaches to asking and answering questions than ever before on the Internet. Can Google retain its dominance of the search business?
Decide for yourself. This BusinessWeek slide show highlights 18 provocative players in online search.
Editor's Note: All traffic data are for the month of May and are provided by Web analytics firm Compete. The number of search queries is used where possible; when such data is not available, the number of page views for a site is provided instead.