Consumer Tips: Is Your iPhone or iPad taking a bite out of your privacy?
If the devices are left with older versions of the iOS4 software, the data stored on the iPhones and iPads will be unencrypted and can include latitude, longitude, when the location was visited, for how long, and the data could have been collected for as long as a year. Up to 2 MG of data can be stored, which can be a lot of location data.