In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Another invention of Western Union - time synchronization. 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". Western Union for more than 130 years provides money transfer services to its customers.