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. Payment systems are one of basic elements of infrastructure of e-commerce. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million.