In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. You do not need to open a bank account, so you can send or receive money in any of the 170 000 service points of Western Union around the world. 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. Western Union made so that the time in all of American civil services was the same.