In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. The presence of Western Union Gold Card at the client greatly simplifies the process of further processing of money transfers of and reduces the operation time for the sending of money, as the "Gold Card" is a carrier of the personal information about the client. In 1860 the U.S. Congress arranged among the telegraph companies a competition to create a national line. The winner was Western Union. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. 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. 1970 - a new service called Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide. 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 for more than 130 years provides money transfer services to its customers.