RealAge quiz sells your info to Pharma companies: Should we expect privacy on the Web?

The popular RealAge online quiz, recommended by Oprah’s favorite doctor, Mehmet Oz, asks people to answer a variety of questions about their health and state-of-mind to determine their biological age. Well, Hearst Magazines owns RealAge and it’s been selling that data to drug companies. But is this a shock? Should we expect privacy on the Internet? Or is everything fair game for marketers?