Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. In February 2009 the company entered into an agreement with Fexco to acquire 100% of its shares for $ 159.9 million. In 1988, the company undertook a massive reorganization in response to rapidly changing business conditions. In particular, this need has arisen due to many technological changes that have taken place at that time. Company name was changed from Western Union Telegraph Co. to Western Union Corp. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. Payment systems are one of basic elements of infrastructure of e-commerce. One of the common kinds of money transfer is a transfer via the international system of Western Union. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. Western Union made so that the time in all of American civil services was the same.