The document discusses the roles and functions of educational technology in the 21st century. It states that technology should be used comprehensively to develop 21st century skills, support innovative teaching and learning, and create robust education support systems. It also notes that instruction should be student-centered, education should be collaborative, and learning should have context. Additionally, the document outlines important functions of educational technology such as improving teaching and learning, enhancing educational goals, training teachers, developing curriculum and teaching materials, and identifying community needs.