In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. 1998 - the number of points of money transfers worldwide reached 50,000. The network of money transfers of Western Union is the world's largest. In 1920, Western Union has implemented the world's first transmission of images over the ocean. Another invention of Western Union - time synchronization. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. Before transition to remittances Western Union company rendered services on sphere of cable communication. In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone. The Western Union Company is a financial services and communications company based in the United States. The first offices of company were located in the Reynolds Arcade building in Rochester, New York. The sign above the main entrance to the building - In 1884 Western Union has become a joint-stock company and was brought to the stock exchange. The company has entered in the first American stock index Dow Jones.