In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Western Union has several divisions, with products such as person-to-person money transfer, money orders, business payments and commercial services. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. One of the common kinds of money transfer is a transfer via the international system of Western Union.