Researchers Disclose iPhone and iPad Location-Tracking Privacy Issues
A pair of security researchers today announced that they are sounding the privacy warning bell about the capability of iOS 4 to track the location of an iPhone or iPad on an ongoing basis, storing the data to a hidden file known as "consolidated.db" ...
http://www.macrumors.com/2011/04/20/researchers-disclose-iphone-and-ipad-location-tracking-privacy-issues/
