In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. 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. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. The Western Union Company is a leader in global payment services In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.