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Now Playing: 01-30-12 Marketplace

Major companies including Google, Microsoft and Facebook have teamed up to fight online phishing scams. A behavioral economist talks about how our Google search results help the fields of science and medicine. Megaupload's 50 million users will lose their files once the site starts deleting its data this week. Florida was hit hard by the recession, but now there is some job growth. And author Louis Hyman discusses borrowing in American culture.