In 1920, Western Union has implemented the world's first transmission of images over the ocean. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In order to increase competitiveness and market expansion of its services, Western Union launched a program of loyalty Western Union Gold Card for customers, who has repeatedly made money transfers via Western Union. 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. In 2000 was launched the Web site westernunion.com, with which users from certain countries can independently transfer funds online. Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it.