In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In 1933, by the Western Union Company were invented "singing telegrams". In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. The Western Union Company is a financial services and communications company based in the United States. The Western Union Company uses the most up to date technologies and its unique worldwide computer network that allows to carry out quick money transfers payments in more than 190 countries around the world. Western Union made so that the time in all of American civil services was the same.