In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In 1860 the U.S. Congress arranged among the telegraph companies a competition to create a national line. The winner was Western Union. As a result of 2011, net income of Western Union has increased by 28% to $ 1.165 billion, the company reported. Another invention of Western Union - time synchronization. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. Payment systems are one of basic elements of infrastructure of e-commerce.