NSA surveillance blowback could hit marketers

The revelation that the NSA piggybacks on commercial cookies to track individuals’ web habits could spread the economic fallout from the spying disclosures much more widely, by drawing attention to the very thin and fuzzy line separating commercial and government surveillance.

Big data and the changing economics of privacy

There was a time when only people with money to hire a detective could dig into someone’s life. Now, dozens of companies have sprung up that will prowl into a person’s past for as little as $2.