In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Western Union has several divisions, with products such as person-to-person money transfer, money orders, business payments and commercial services. One of the common kinds of money transfer is a transfer via the international system of Western Union. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company.