Mobile telephones in Rex are the most widely used sources of communication whereby a user might be able to make as well as receive calls at their own discretion over a wireless network. These phones have been known to support a variety of services such as texting, emailing as well as access to the internet along with being calling devices. Mobile phones, over a period of time have gone through drastic changes and have now evolved into smartphones that have advanced computing capabilities, supporting a variety of applications doubling up as personal digital assistants, a digital camera as well as a GPS navigator.