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. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. Payment systems are one of basic elements of infrastructure of e-commerce. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. Western Union made so that the time in all of American civil services was the same.