In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. 1980 - for the first time in the history of Western Union revenues from money transfers exceeded the income from the telegraph service. Western Union has several divisions, with products such as person-to-person money transfer, money orders, business payments and commercial services. 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. One of the common kinds of money transfer is a transfer via the international system of Western Union. The Western Union Company is a financial services and communications company based in the United States.