In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Another invention of Western Union - time synchronization. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. 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. Western Union made so that the time in all of American civil services was the same.