[This post is adapted from our forthcoming book, Preserving Government Information: Past, Present, and Future.]

Today we want to clarify something important about preserving government information. There is a difference between the government changing a policy and the government erasing information, but the line between those two has blurred in the digital age.

When a new president is inaugurated, one expects new policies. The number of changes and the speed of change may vary for different administrations, but we expect that every administration will be different in some ways from its predecessor. After all, that is part of the reason we have elections. Also, information that the government publishes is updated all the time, not just when administrations change. Laws and regulations are added and amended and rescinded, new economic and environmental and census data are collected and published, government recommendations to the public (like the Department of Agriculture’s “food pyramid” guidance) are revised.

Changes in government information are normal in a democracy.

Because change is normal, it is essential to preserve government information – even “non-current” and “out of date” information – in order to document those changes. This is not a new idea, but a long-accepted principle of democracy. Citizens need a record of what a government’s stated values were and when they changed, what actions it took and when it took them, what data it collected and generated at specific points in time, and so forth. It is important to preserve even information that