In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. 1980 - for the first time in the history of Western Union revenues from money transfers exceeded the income from the telegraph service. Money transfer is a matter of minutes, at any distance. 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. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.