Another invention of Western Union - time synchronization. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. 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 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission. Western Union made so that the time in all of American civil services was the same.