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 the 30's of the twentieth century, Western Union has become the world's largest telegraph company. One of the common kinds of money transfer is a transfer via the international system of Western Union. 1970 - a new service called In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone. Western Union provides consumers and businesses with fast, reliable and convenient ways to send and receive money around the world, to send payments and to purchase money orders.