Via the Chronicle of Higher Education, law professor Daniel J. Solove reveals all:
The nothing-to-hide argument is everywhere. In Britain, for example, the government has installed millions of public-surveillance cameras in cities and towns, which are watched by officials via closed-circuit television. In a campaign slogan for the program, the government declares: “If you’ve got nothing to hide, you’ve got nothing to fear.”
But the problem with the nothing-to-hide argument is the underlying assumption that privacy is about hiding bad things. By accepting this assumption, we concede far too much ground and invite an unproductive discussion about information that people would very likely want to hide. As the computer-security specialist Schneier aptly notes, the nothing-to-hide argument stems from a faulty “premise that privacy is about hiding a wrong.” Surveillance, for example, can inhibit such lawful activities as free speech, free association, and other First Amendment rights essential for democracy.
One such harm, for example, which I call aggregation, emerges from the fusion of small bits of seemingly innocuous data. When combined, the information becomes much more telling. For example, suppose you bought a book about cancer. This purchase isn’t very revealing on its own, for it indicates just an interest in the disease. Suppose you bought a wig. The purchase of a wig, by itself, could be for a number of reasons. But combine those two pieces of information, and now the inference can be made that you have cancer and are undergoing chemotherapy. That might be a fact you wouldn’t mind sharing, but you’d certainly want to have the choice.
Another potential problem with the government’s harvest of personal data is one I call exclusion. Exclusion occurs when people are prevented from having knowledge about how information about them is being used, and when they are barred from accessing and correcting errors in that data. Many government national-security measures involve maintaining a huge database of information that individuals cannot access. Indeed, because they involve national security, the very existence of these programs is often kept secret. This kind of information processing, which blocks subjects’ knowledge and involvement, is a kind of due-process problem. It is a structural problem, involving the way people are treated by government institutions and creating a power imbalance between people and the government. To what extent should government officials have such a significant power over citizens? This issue isn’t about what information people want to hide but about the power and the structure of government.
A related problem involves secondary use. Secondary use is the exploitation of data obtained for one purpose for an unrelated purpose without the subject’s consent. How long will personal data be stored? How will the information be used? What could it be used for in the future? The potential uses of any piece of personal information are vast. Without limits on or accountability for how that information is used, it is hard for people to assess the dangers of the data’s being in the government’s control.
Yet another problem with government gathering and use of personal data is distortion. Although personal information can reveal quite a lot about people’s personalities and activities, it often fails to reflect the whole person. It can paint a distorted picture, especially since records are reductive—they often capture information in a standardized format with many details omitted.
Read the rest at Chronicle of Higher Education