The Seattle Times: Business & Technology: Typed too fast? Google profits from your typo

The Seattle Times: Business & Technology: Typed too fast? Google profits from your typo: "Google, which runs the largest ad network on the Internet, is making millions of dollars a year by filling otherwise unused Web sites with ads. In many instances, these ad-filled pages appear when users mistype an Internet address, such as 'BistBuy.com.'
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This form of online advertising relies on 'type-in traffic': users who type the information they're looking for into the Web browser's address bar instead of using a search engine. Industry analysts estimate 15 percent of Web traffic originates this way."