Connected Branches From 10 years till now our world is constantly changing , technology is advancing , communications are much easier .Never less, we cannot simply ignore that human being are the main reason of this technology , because in the 21 century , human being where capable of advancing prior inventions like Television , cars , radio , computers and finally cell phones . Moreover, as cell phones are a part of communication which is an dispensable tool that we cannot life without, since simply cell phones reasonable our daily life in a communicated way . Moreover, cell phones are a machine that human invented in order to make the communication between the part of the society easier, as the society is become bigger and bigger , the ways of communications is more increasing . Cell phones , now a days becomes the most important way of communications between the individuals even if they are in different nations .Beside, a mobile phone is a device that can make and receive the telephone calls over a radio link , whilst moving around a wide geographic area . It does so by connecting to a cellular network provided by a mobile phone operator , allowing access to the public phones , network .In addition to telephony , modern mobile phones also support wide variety of other services such as text – messaging, MMS, email , internet access short range wireless communications , business applications , gaming and photography . Mobile phones that offer these and more general computing capabilities are referred to as smart phones. However, a smart phone is a high –end mobile phone built on a mobile computing platform , with more advanced computing ability and connectivity than contemporary feature phone. Mobile phones are used for a variety of purposes , including keeping in touch with family members , conducting business and having access