The document discusses the roles and functions of educational technology in 21st century education. It defines 21st century education as preparing students to succeed in a competitive world by developing proficiency in 21st century skills and supporting innovative teaching and learning. For schools and teachers, the role is to prepare students to become active, successful members of society. When deciding how education will look, instruction should be student-centered, education should be collaborative, and learning should have context. Technology allows 24/7 access to information and constant social interaction, while educational technology can improve teaching and learning, enhance education goals, and develop teaching materials and strategies.