In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. Separation of the companies had two objectives: first, to give Western Union the opportunity to develop more intensively, and secondly, to help First Data to return to its original activity (in 1992 the company separated from the payment system of American Express as an independent financial services company). In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. 1970 - a new service called Western Union made so that the time in all of American civil services was the same. Western Union for more than 130 years provides money transfer services to its customers.