via ElcomSoft...
"Let’s make it very clear: no privacy purist should ever use an iPhone (or any other smartphone, probably). iPhone devices store or cache humungous amounts of information about how, when, and where the device has been used. The amount of sensitive information collected and stored in Apple smartphones is beyond what had previously been imaginable. Pictures, emails and text messages included deleted ones, calls placed and received are just a few things to mention.
A comprehensive history of user’s locations complete with geographic coordinates and timestamps. Google maps and routes ever accessed.
Web browsing history and browser cache, screen shots of applications being used, usernames, Web site passwords and the password to iPhone backups made with iTunes software, and just about everything typed on the iPhone is being cached by the device." (more)
