Another invention of Western Union - time synchronization. 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. Before transition to remittances Western Union company rendered services on sphere of cable communication. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.