In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. The presence of Western Union Gold Card at the client greatly simplifies the process of further processing of money transfers of and reduces the operation time for the sending of money, as the "Gold Card" is a carrier of the personal information about the client. As a result of 2011, net income of Western Union has increased by 28% to $ 1.165 billion, the company reported. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. 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. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide. Western Union for more than 130 years provides money transfer services to its customers.