In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. 1980 - for the first time in the history of Western Union revenues from money transfers exceeded the income from the telegraph service. One of the common kinds of money transfer is a transfer via the international system of Western Union. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.