Microsoft's Search Slugfest

New features did little to make headway on Google and Yahoo; now the No. 3 engine plans to beef up marketing and tap its existing user base

When it comes to Web search, no one wants to be No. 2. So it's got to hurt that Microsoft, the world's heavyweight software maker, steadily comes in a distant third. Google seemingly has a lock on the top spot and, thanks to a new ad-ranking method, Yahoo! has a credible shot at narrowing the gap.

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