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. 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 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.