In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. Another invention of Western Union - time synchronization. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. You do not need to open a bank account, so you can send or receive money in any of the 170 000 service points of Western Union around the world. The first offices of company were located in the Reynolds Arcade building in Rochester, New York. The sign above the main entrance to the building -