In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. The Western Union Company is a leader in global payment services 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 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company.