In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Payment systems are one of basic elements of infrastructure of e-commerce. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million. Western Union made so that the time in all of American civil services was the same.