MEDIA DO Co., Ltd. engages in digital content distribution, internet advertising, system provision and media consulting business. It operates through the following segments: Electronic book distribution, Media promotion and Others. The Electronic book distribution segment offers e-book contents and distribution systems to smartphones, tablets, and other feature phones. The Media promotion segment provides advertising and advertising agency consulting. The Others segment distributes digital contents such as music, movie and game. The company was founded by Yasushi Fujita ion April 1, 1996 and is headquartered in Tokyo, Japan.