That's why trust a borderless world, that is, modern communications technology today enables people to communicate more easily than most. Communications have evolved several multi age. Believed to be a remote human communication early is to hit armor. Knock wood, sending audio signal and smoke a thot. Later, when men know how to write a book, it's a way to communicate. There is a new way to communicate through the animals such as pigeons, by bringing the message field with a flying pigeon, so send this message to the destination. That required more time than allowed, it will fly to destinations. Subsequently, began to develop as a mailing by the writing of the paper, and then sent via postal mail to the recipient, but it still takes a long time.
การแปล กรุณารอสักครู่..
