Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In 1995, First Financial Management was acquired by First Data Corp. (the deal amounted to $ 7 billion), and Western Union Financial Services became a subsidiary of First Data. 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 Western Union began to provide money transfer services, drawing on its own extensive telegraph network.