In 1920, Western Union has implemented the world's first transmission of images over the ocean. Another invention of Western Union - time synchronization. One of the common kinds of money transfer is a transfer via the international system of Western Union. The first offices of company were located in the Reynolds Arcade building in Rochester, New York. The sign above the main entrance to the building - Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it.