Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. 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. One of the common kinds of money transfer is a transfer via the international system of Western Union. In 1933, by the Western Union Company were invented "singing telegrams". Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million. The Western Union Company is a financial services and communications company based in the United States.