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Confidential information collected by online sites
-- Health sites offer tools used by medical pros and consumers to track data, including test results from HIV or cancer exams--hot stuff for insurers or drugmakers.
-- Online children's sites collect kids' names, ages, and toy preferences--a potential gold mine for marketers who target young consumers.
-- E-tailers collect credit card, social security, and bank account numbers, along with profiles of what you buy or view--juicy information for everyone from identity thieves to retailers.