Cell phones are probably the most useful gadgets for every individual in the present life, be it for a teenager, an adult, or an elderly person. First, it is the quickest means of interaction between colleagues, family members, friends, to interact with each other. Second, modern cell phones are based on Android iOS or other software-based applications that serve thousands of utilities like latest news updates, online access to educational web sites, health care apps, Google map, or in booking Uber or OLA. Third, people do not have to go out even for shopping or to contact somebody during an emergency and this makes cell phones useful even though it has few bad sides as well. Earlier, the common forms of communication used to be letters, telegrams, and other means which used to be quite time-consuming. Later, land phones came to replace them as a medium for communication. Currently, cell phones have replaced all such means and are important due to several benefits.