The teachers role is changing from a one-to-many distributor of content (lecturing), to a facilitator of one-to-many personalized and blended learning environments, and reinforcement over time to create individual mastery. Technology must individually deliver proven accelerated learning methodologies for participants to enage the content interactively over time.
This post by Jessie C. gives an overview of UDL and how technology can personalize learning.
Via Barbara Bray, Kathleen McClaskey