In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. To obtain the Golden card can any client of Western Union, committing money transfers on this system more than 1 time per year. Getting the card is issued at the time of making of the next transfer. In 1933, by the Western Union Company were invented "singing telegrams". Western Union made so that the time in all of American civil services was the same.