In 1920, Western Union has implemented the world's first transmission of images over the ocean. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. 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 1933, by the Western Union Company were invented "singing telegrams". Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.