Another invention of Western Union - time synchronization. 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. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million. Before transition to remittances Western Union company rendered services on sphere of cable communication. In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. Western Union made so that the time in all of American civil services was the same.