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. The Western Union Company is a leader in global payment services One of the common kinds of money transfer is a transfer via the international system of Western Union. In 1933, by the Western Union Company were invented "singing telegrams".