This document provides a summary of the key concepts in designing effective blended learning solutions. It discusses analyzing the learning need, understanding the learners and logistics, using the PIAF framework of preparation, input, application and follow up, selecting appropriate learning methods based on social context and strategy, choosing delivery media and communication modes, and implementing an iterative process of testing, evaluating and improving the blended learning solution. The overall goal is to satisfy the original learning need through a flexible, efficient and effective blended approach.