In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. Another invention of Western Union - time synchronization. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. 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. Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it.