In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. In 1920, Western Union has implemented the world's first transmission of images over the ocean. In 1935, Western Union has put into operation first intercity fax communication. 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.