h.o (Hide Ogawa, Taizo Zushi, Jun Yura and Emiko Ogawa) is an international media art group from Tokyo creating conceptual art works using a mixture of media combined with digital technology. "h.o" derives from the chemical symbol for water, H2O, implying h.o's interest in various forms of communication between people. Its activities and ideas are inspired by little awareness that appear in everyday scenes and criticism on information-oriented society.