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. In 1933, by the Western Union Company were invented "singing telegrams". In 1991, Western Union has sold some low-profit division of the company AT & T, GM Hughes Electronics, and to some others. In the same year the company changed its name to New Valley Corp. In 1884 Western Union has become a joint-stock company and was brought to the stock exchange. The company has entered in the first American stock index Dow Jones.