The document discusses topics related to educational technology (ed tech) including instructional design, active learning, and learning management systems. It provides examples of how neuroscience and big data can inform the design of online courses through techniques like interpolated testing and optimizing video length. Professional development for instructional designers is discussed as well as their roles in areas like graphic/media, tools, and copywriting. The effectiveness of active learning techniques and their positive impacts on focused attention and memory are cited from research studies.