This document discusses the ed-tech landscape and market opportunity for class engagement tools. It notes that commonly used platforms by professors include Noodle, Coursera, Udacity, and edX. The market is driven by a rise in collaborative learning through social media, an increase in shared digital content, and growing demand for MOOCs. The largest segments of students pursuing degrees are in business, education, and health professions at both the bachelor's and master's level in the United States.