It is used to communicate with people in many ways, such as call or send a message, perhaps in a communications application example timeline Twitter make communications fast.
IPhone to communicate with people in a variety of ways, such as calling or sending messages. Perhaps, in-app communication applications. Lines such as Facebook have made communication easy.
Mobile phone used to communicate with the people in many ways, such as call or message. Maybe communication in the applications. Such as online Facebook, communication is convenient fast.