Courses
Course platforms and cohort-based learning.
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Course platforms and course-building tools cover everything from hosting a set of videos to full learning systems with assessment, cohorts and certification. The launches here are worth reading with one question in mind: is this software for delivering content, or software for producing learning? They are different products and the marketing rarely distinguishes.
Content delivery is the commodity end. Video hosting, a progress bar, a payment wall. It is a solved problem and the tools are cheap, which is appropriate because a recorded course is a book with a higher production budget, and completion rates for self-paced video courses are famously dismal — frequently in the single digits.
What raises completion is structure that creates obligation and feedback. Cohorts with a start date and other people. Deadlines. Assignments someone looks at. A place to ask questions and get answers. Tools that support these are solving the actual problem, which is not access to information but the difficulty of learning alone. If you are building a course, the design decision that matters most is not video quality; it is whether anyone will notice if a student stops.
Assessment is the underrated component. Practice with immediate feedback is one of the most robust findings in learning research, and it is largely absent from the course market because it is expensive to author. Even simple retrieval questions after each section improve retention substantially over passive watching. See [flashcards and recall](/categories/flashcards) for the mechanism.
For creators, pricing structure matters more than the platform. Platforms that take a percentage forever are expensive at scale; ones charging a flat fee are expensive at low volume. Consider also who owns the customer relationship: some platforms have their own marketplace and will market to your students, which cuts both ways.
Accessibility is a requirement rather than a nicety in education, and in many contexts a legal one. Captions on every video, transcripts, keyboard-operable interfaces, and materials that work with assistive technology. Platforms vary a great deal here, and it is worth checking before you have built a hundred lessons on one.
The most valuable thing a course can offer that a book cannot is a person who answers your specific question. Everything else is production values.
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