GREE, Inc. engages in the operation and development of Internet media services. The company markets with the name GREE, a smart device centered on smartphone with social network system (SNS) functions, social games and other entertainment elements. Its services include games, live entertainment, media, advertising, and investment businesses. The company was founded by Yoshikazu Tanaka and Kotaro Yamagishi on December 7, 2004 and is headquartered in Tokyo, Japan.