The project of congressmen involved the construction of lines with the length of two thousand miles in 10 years. Western Union handled the government task within 112 days. The secret of Sibley was simple: he used the tactics of the "Western Union". 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 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card.