In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. The size of the commission fee for the transfer is charged according to the Western Union tariffs and depends on the amount of money sent. The Western Union Company is a leader in global payment services 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 -