In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In 1935, Western Union has put into operation first intercity fax communication. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. In 1933, by the Western Union Company were invented "singing telegrams". Before transition to remittances Western Union company rendered services on sphere of cable communication. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.