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. Another invention of Western Union - time synchronization. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million. Western Union made so that the time in all of American civil services was the same. Western Union made so that the time in all of American civil services was the same.