In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Payment systems are one of basic elements of infrastructure of e-commerce. In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. 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.