In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. The presence of Western Union Gold Card at the client greatly simplifies the process of further processing of money transfers of and reduces the operation time for the sending of money, as the "Gold Card" is a carrier of the personal information about the client. In 1920, Western Union has implemented the world's first transmission of images over the ocean. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. 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. Money transfer is a matter of minutes, at any distance. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it. Western Union made so that the time in all of American civil services was the same.