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. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. 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. In 1884 Western Union has become a joint-stock company and was brought to the stock exchange. The company has entered in the first American stock index Dow Jones.