In 1920, Western Union has implemented the world's first transmission of images over the ocean. As a result of 2011, net income of Western Union has increased by 28% to $ 1.165 billion, the company reported. 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. 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. Western Union made so that the time in all of American civil services was the same.