In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. 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. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. 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. In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. In April 1851 companions registered in Albany New York and Mississippi Valley Printing Telegraph Company (NYMVPTC), which included founded two years before New York State Printing Telegraph Company. In order to increase competitiveness and market expansion of its services, Western Union launched a program of loyalty Western Union Gold Card for customers, who has repeatedly made money transfers via Western Union. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. 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 the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams.