In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Another invention of Western Union - time synchronization. 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. Money transfer is a matter of minutes, at any distance. In 1933, by the Western Union Company were invented "singing telegrams". 1970 - a new service called Thanks to cooperation with Western Union the Associated Press at the end of the XIX century took almost monopolistic position in the U.S. market news. 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. Western Union made so that the time in all of American civil services was the same.