In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In 1920, Western Union has implemented the world's first transmission of images over the ocean. Western Union has several divisions, with products such as person-to-person money transfer, money orders, business payments and commercial services. Payment systems are one of basic elements of infrastructure of e-commerce. Western Union for more than 130 years provides money transfer services to its customers.