The document discusses different techniques for collecting audience feedback, including qualitative and quantitative data collection. It outlines the advantages and disadvantages of using social media comments, questionnaires, interviews, and existing comments/ratings. Some key techniques mentioned are using open-ended questions to gather qualitative data, closed questions for quantitative data, video/audio recordings for honest reactions, and analyzing existing platforms like YouTube for music video audience feedback. The document aims to help determine the best techniques for different types of feedback collection.