Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Western Union offers one of the easiest ways for families and friends to send money and stay connected almost anywhere in the world. Western Union has several divisions, with products such as person-to-person money transfer, money orders, business payments and commercial services. Payment systems are one of basic elements of infrastructure of e-commerce.