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. Western Union offers one of the easiest ways for families and friends to send money and stay connected almost anywhere in the world. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.