In 1988, the company undertook a massive reorganization in response to rapidly changing business conditions. In particular, this need has arisen due to many technological changes that have taken place at that time. Company name was changed from Western Union Telegraph Co. to Western Union Corp. In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.