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. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. One of the common kinds of money transfer is a transfer via the international system of Western Union. You do not need to open a bank account, so you can send or receive money in any of the 170 000 service points of Western Union around the world. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union.