8. The non-transitory computer readable storage medium of claim 6 , wherein the executable program instructions cause the electronic device to: upon determining that the device is in the first proximity state, display information on the touch-sensitive display in a first display state, wherein the first display state is a regular power mode; upon determining that the device is in the second proximity state, cease to display information on the touch-sensitive display in a second display state different from the first display state, wherein the second display state is a low-power mode.
8. The non-transitory computer readable storage medium of claim 6 , wherein the executable program instructions cause the electronic device to: upon determining that the device is in the first proximity state, display information on the touch-sensitive display in a first display state, wherein the first display state is a regular power mode; upon determining that the device is in the second proximity state, cease to display information on the touch-sensitive display in a second display state different from the first display state, wherein the second display state is a low-power mode. 9. The non-transitory computer readable storage medium of claim 8 , wherein the executable program instructions cause the electronic device to: in response to a change in the received proximity data, change the display state of the electronic device.