1. A phone comprising: a wireless transceiver to send and receive wireless communication signals; a camera to capture one or more images; and a processor to execute code; wherein the processor is (a) to make a determination that a user of the phone is sitting in a driver seat of a moving vehicle, by taking into account an image analysis of an image captured by said camera, wherein the image analysis takes into account a slanting of a vehicular component which appear in said image; and (b) based on the determination, to block one or more features of the phone.