In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Another invention of Western Union - time synchronization. One of the common kinds of money transfer is a transfer via the international system of Western Union. 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.