An anonymous reader quotes Ars Technica's report: Further, the researchers were able find the approximate location of the former owner's address through asking questions about nearby restaurants and grocery stores as well as public libraries. "In a few experiments, locations were accurate to 150m," Ars. reports. An Amazon spokesperson stated that security is Amazon's top priority. Customers are advised to deregister their devices and factory reset them before they sell, recycle, or dispose of them. Because the data is not stored on your device, it is impossible to gain access to Amazon account passwords and payment card information. These threats are most likely to Fire TV, Fire Tablets and other Amazon devices.