Another invention of Western Union - time synchronization. Payment systems are one of basic elements of infrastructure of e-commerce. In 2007 the company made 167.7 million transactions on money transfers between individuals and 404.6 million transactions between physical and legal persons. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. On the market was placed about 765 million of ordinary shares of the company. On the first day trading on the exchange the company's shares rose by 3.3% and the cost was $ 19.96. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.