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. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million. 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 -