In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. 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. 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. In 2000 was launched the Web site westernunion.com, with which users from certain countries can independently transfer funds online. In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company.