In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. Payment systems are one of basic elements of infrastructure of e-commerce. In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone. In 2000 was launched the Web site westernunion.com, with which users from certain countries can independently transfer funds online. 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. Western Union made so that the time in all of American civil services was the same.