In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. 1998 - the number of points of money transfers worldwide reached 50,000. The network of money transfers of Western Union is the world's largest. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. Payment systems are one of basic elements of infrastructure of e-commerce. 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 -