In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. As a result of 2011, net income of Western Union has increased by 28% to $ 1.165 billion, the company reported. 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". Western Union made so that the time in all of American civil services was the same.