In 1920, Western Union has implemented the world's first transmission of images over the ocean. Western Union offers one of the easiest ways for families and friends to send money and stay connected almost anywhere in the world. In 1935, Western Union has put into operation first intercity fax communication. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. 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.