In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. The Western Union Company is a leader in global payment services In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network.