In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In 1935, Western Union has put into operation first intercity fax communication. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. In 2007 the company made 167.7 million transactions on money transfers between individuals and 404.6 million transactions between physical and legal persons. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.