In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. One of the common kinds of money transfer is a transfer via the international system of Western Union. 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.