Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. 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. Money transfer is a matter of minutes, at any distance. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. On the market was placed about 765 million of ordinary shares of the company. On the first day trading on the exchange the company's shares rose by 3.3% and the cost was $ 19.96. 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.