In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. In 1995, First Financial Management was acquired by First Data Corp. (the deal amounted to $ 7 billion), and Western Union Financial Services became a subsidiary of First Data. Payment systems are one of basic elements of infrastructure of e-commerce. The Western Union Company is a leader in global payment services 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.