In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. The Western Union Company - the American company, specialising on granting of services of monetary intermediary. Western Union was founded in 1851. The company is one of leaders in the market of the international remittances. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. In 1933, by the Western Union Company were invented "singing telegrams". In 2000 was launched the Web site westernunion.com, with which users from certain countries can independently transfer funds online. Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it.