In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. The size of the commission fee for the transfer is charged according to the Western Union tariffs and depends on the amount of money sent. 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). In 1933, by the Western Union Company were invented "singing telegrams". In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.