The document discusses Massive Open Online Courses (MOOCs) and their key features. MOOCs have massive participation with over 150,000 students, are open to anyone with internet access for free, and are taught by high-profile instructors from prominent institutions. They rely heavily on short videos, online quizzes, weekly homework, and peer/instructor feedback through forums and video office hours. The document examines specific MOOCs from Udacity and Coursera and notes outstanding questions around their business potential and supporting effective independent learning at scale.