IPhones and 3G iPads log your location in an unencrypted file on the device
Not news at all to someone in the digital forensic community: <a href="https://alexlevinson.wordpress.com/2011/04/21/3-major-issues-with-the-latest-iphone-tracking-discovery/" rel="nofollow">https://alexlevinson.wordpress.com/2011/04/21/3-major-issues...</a>