This document discusses educational technology and its use in classrooms. It defines educational technology as the study and practice of facilitating learning through technological processes and resources. It then discusses several technologies commonly used in traditional classrooms, such as chalkboards, flashcards, charts, and role-playing. It also discusses newer technologies like computers, websites, blogs, wikis, and podcasting. The document outlines benefits of educational technology like easy access to materials, student motivation, and differentiated instruction. It also discusses using the internet to support learning and professional development. Finally, it discusses trends in educational technology like projected materials, audio materials, and interactive materials.