By PAUL THARP
Flying under the radar of the Google-Microsoft rivalry in the high-stakes search industry is a new gang of sites that build deep dossiers on your secrets -- and those of your pals -- just from your keyboard strokes.
The launch of Microsoft's Bing on Wednesday is putting the spotlight on some of the darker corners of the search industry, including sites that online experts say act like privacy pirates on the prowl for users' secrets.
Under the guise of "marketing research," these new search engines feed on social and people networks -- as well as contents of your e-mail address books -- to collect data ranging from favorite foods to photos with old flames.
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