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. Transaction with Fexco has allowed Western Union to control directly more than 10 thousand points of service, which belonged to Fexco in 7 European countries (Spain, UK, Sweden, Ireland, Denmark, Norway and Finland). In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission. 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.