The W3C (World Wide Web Consortium) is an international consortium that provides information about Web technologies, formulates and promotes specifications, and prototypes new technology. Its mission of "One Web" is the realization of a "Web for All" and a "Web on Everything," giving all people in all environments equal access to the same data. One of its four hosts around the globe is the Keio Research Institute at SFC. Please visit the world of the Web that has already become such an integral part of our lives.