In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. 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. Payment systems are one of basic elements of infrastructure of e-commerce. One of the common kinds of money transfer is a transfer via the international system of Western Union. In 1991, Western Union has sold some low-profit division of the company AT & T, GM Hughes Electronics, and to some others. In the same year the company changed its name to New Valley Corp. In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. 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.