How do Massive Open Online Courses reach tens of thousands of learners?

Massive Open Online Courses (MOOCs) reach tens of thousands of learners by leveraging Internet platforms and digital technologies designed to scale education to a global audience.1

To manage such large enrollments, these courses typically employ the following strategies:

• Automated Assessment: To handle the volume of tests, many courses utilize assignments that are marked automatically by computers.1
• Peer Learning and Grading: In subjects where automated grading is difficult, such as the arts and humanities, courses often deploy peer-to-peer strategies where students from around the world review and comment on each other's work.1
• Digital Content Delivery: Courses rely on short, videotaped lectures and interactive digital materials that can be accessed by students regardless of their geographic location.12
• Gamification: To maintain engagement across large cohorts, many MOOCs incorporate gamified elements into the learning experience.1
• Platform Partnerships: Providers like Coursera and edX partner with leading universities and commercial companies to develop the necessary infrastructure to support massive, simultaneous participation.12

While these methods allow for significant economies of scale, they also rely on Web 2.0 technologies to facilitate global social networks among students.1