In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. 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. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. In 2007 the company made 167.7 million transactions on money transfers between individuals and 404.6 million transactions between physical and legal persons. 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 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. Transaction with Fexco has allowed Western Union to control directly more than 10 thousand points of service, which belonged to Fexco in 7 European countries (Spain, UK, Sweden, Ireland, Denmark, Norway and Finland). Western Union made so that the time in all of American civil services was the same. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide. 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.