Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In 1877, starting from September, New York City residents began to have the opportunity to check the time on clock with the "time ball", located on the roof of constructed in the same year a new corporate headquarters - Western Union Building. Money transfer is a matter of minutes, at any distance. One of the common kinds of money transfer is a transfer via the international system of Western Union. The Western Union Company is a financial services and communications company based in the United States. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.