The document discusses the roles and functions of educational technology in 21st century education. It advocates for student-centered, collaborative, and contextual learning. Technology allows 24/7 access to information, social interaction, and easily created/shared digital content. There is a call to integrate technology comprehensively to develop 21st century skills through innovative teaching/learning and robust education support systems. Important functions of educational technology include improving teaching/learning, analyzing the process, developing curriculum/materials, identifying community needs, and helping overall improvement.