In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Western Union has several divisions, with products such as person-to-person money transfer, money orders, business payments and commercial services. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In 1933, by the Western Union Company were invented "singing telegrams". 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. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission. Western Union made so that the time in all of American civil services was the same.