In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. One of the common kinds of money transfer is a transfer via the international system of Western Union. 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 -