The world's industry and international society are taking an irresistible march toward a global network society. In a networked society, in which time and distance are made infinitely close to zero, the Internet has a major effect on corporate activities and social life. In a networked society, the distribution of information is greatly changed, so that there is a possibility that hitherto existing corporate structures, including conventional management strategies and organization structures, may undergo a major change. If an enterprise does not give thought to enterprise management based on information technology in the future, it will hinder not only its speed in doing business but will also be left behind related enterprises with which it has transaction relations. In this article, we will discuss information technology utilizing information networks in this mega-competition.