This document discusses the concept of Most Significant Change (MSC) technique for monitoring and evaluation. MSC involves collecting stories of change from participants and selecting the most significant story. It notes that MSC can help understand changes in people's lives better than traditional monitoring and evaluation methods that rely on numbers. The document provides guidance on how to properly collect, record and analyze stories of change using video by creating a comfortable environment and asking open-ended questions to gather unexpected information and emotions. It highlights some technical challenges to address like camera positioning and interview techniques to obtain high quality videos for MSC analysis.