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. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. Separation of the companies had two objectives: first, to give Western Union the opportunity to develop more intensively, and secondly, to help First Data to return to its original activity (in 1992 the company separated from the payment system of American Express as an independent financial services company). July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. One of the common kinds of money transfer is a transfer via the international system of Western Union. The Western Union Company uses the most up to date technologies and its unique worldwide computer network that allows to carry out quick money transfers payments in more than 190 countries around the world. In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.