may be used to verify that the inactive mode was enabled during a period of time to do so the record may be made available via a user interface to the user 15 an insurance company the police the courts a parent of the user 15 etc to certify the times the device was in inactive mode and the restrictions on functionality in place during inactive mode referring back to fig2 the mobile device 100 includes a memory interface 102 one or more data processors image processors and or central processors 104 and a peripherals interface 106 the memory interface 102 the one or more processors 104 and or the peripherals interface 106 can be separate components or can be integrated in one or more integrated circuits the various components in the mobile device 100 can be coupled by one or more communication buses or signal lines as will be recognized by those skilled in the art sensors devices and additional subsystems can be coupled to the peripherals interface 106 to facilitate various functionalities for example a motion sensor 108 e g a gyroscope a light sensor 110 and a positioning sensor 112 e g gps receiver can be coupled to the peripherals interface 106 to facilitate the orientation lighting and positioning functions described further herein other sensors 114 can also be connected to the peripherals interface 106 such as a proximity sensor a temperature sensor a biometric sensor or other sensing device to facilitate related functionalities a camera subsystem 116 and an optical sensor 118 e g a charged coupled device ccd or a complementary metal oxide.