In 1920, Western Union has implemented the world's first transmission of images over the ocean. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. Thanks to cooperation with Western Union the Associated Press at the end of the XIX century took almost monopolistic position in the U.S. market news. In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone.