In 1920, Western Union has implemented the world's first transmission of images over the ocean. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. Payment systems are one of basic elements of infrastructure of e-commerce. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million.