iPhones and 3G iPads are regularly saving position data to a hidden file, say two presenters at today's part of the 2011 Where 2.0 conference in Santa Clara, California. The file, consolidated.db, is reported to have a "long list" of stored locations and time stamps, and moreover carry it over between backups and device migrations. A history can potentially hold "tens of thousands" of data points stretching back to the introduction of iOS 4.
