The latest attempt to predict the future: scientists use digital data from Twitter, traffic webcams, and bazillion other places to create a model that can foresee epidemics, social upheaval, and more. That' the theory anyway. Much like the weather, you can't always count on the forecast. Sharon Weinberger writes for Nature. She tell us more about the project.
Sharon's article, "U.S. Spy Agency to Use Twitter to Forecast Unrest"