Download the app they’ve linked to, to see your “tracked” data .. I don’t have an iPhone so I can’t try it 😀
Report: iPhones secretly track their users’ locations
Apple devices appear to be tracking their owners’ locations and storing data about people’s whereabouts without their knowledge, according to a report posted Wednesday on a site called iPhone Tracker.
http://www.cnn.com/2011/TECH/mobile/04/20/iphone.tracking/index.html