This document discusses the impact of technology on education over time. It notes that in 1913, Thomas Edison predicted that within 10 years, motion pictures would be used to teach all subjects in schools and fundamentally change the school system. The document then lists some traditional roles of technology in education as delivering information, providing practice, and promoting interaction with course material. It concludes by suggesting areas where technology may positively influence education, such as open educational resources, tools to support differentiation, and gamification.