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. The size of the commission fee for the transfer is charged according to the Western Union tariffs and depends on the amount of money sent. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. Payment systems are one of basic elements of infrastructure of e-commerce. In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone. Western Union for more than 130 years provides money transfer services to its customers.