MasterCard Worldwide is an American multinational corporation with its headquarters in the MasterCard International Global Headquarters in Purchase, New York. Throughout the world, its principal business is to process payments between the banks of merchants and the card issuing banks or credit unions of the purchasers who use the "MasterCard" brand debit and credit cards to make purchases. MasterCard Worldwide has been a publicly traded company since 2006. It was absorbed by the United California Bank in year 1966. Prior to its initial public offering, MasterCard Worldwide was a cooperative owned by the 25,000+ financial institutions that issue its card.
League of Legends is a multiplayer online battle arena video game developed and published by Riot Games for Microsoft Windows and Mac OS X, inspired by the popular Defense of the Ancients map for Warcraft III. It is a free-to-play game, supported by micro-transactions. It was first announced on October 7, 2008, and released on October 27, 2009.