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. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. One of the common kinds of money transfer is a transfer via the international system of Western Union. In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone. Western Union for more than 130 years provides money transfer services to its customers.