Activate TASK ONE Human beings have never stopped their efforts to make good of tools to communicate.In ancient times,signal fire,pigeons,and mails were often used for sending and receiving messages.With the development of technology,modern society has witnessed a great change of communication tools, which makes it possible for man to enjoy a convenient and fast interpersonal communication. However,some insist that face-to-face communication should never be replaced so as to avoid many communication problems.T Human beings have never stopped their efforts to make good of tools to communicate. In ancient times, signal fire, pigeons, and mails were often used for sending and receiving messages. With the development of technology, modern society has witnessed a great change of communication tools, which makes it possible for man to enjoy a convenient and fast interpersonal communication. However, some insist that face-to-face communication should never be replaced so as to avoid many communication problems. TASK ONE