The document discusses the role of educational technology in 21st century learning. It describes how technology allows 24/7 access to information, constant social interaction, and easily created and shared digital content. Additionally, it outlines how technology can serve as tools for knowledge construction, information vehicles for exploring knowledge, a social medium for collaboration, and an intellectual partner for reflection. Finally, the document lists important functions of educational technology such as improving teaching and learning, enhancing education goals, and developing teaching materials and strategies.