In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In 1935, Western Union has put into operation first intercity fax communication. Another invention of Western Union - time synchronization. Money transfer is a matter of minutes, at any distance. Payment systems are one of basic elements of infrastructure of e-commerce. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.