In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. One of the common kinds of money transfer is a transfer via the international system of Western Union. In 2000 was launched the Web site westernunion.com, with which users from certain countries can independently transfer funds online. 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 - 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.