In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. 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. 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 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.