Block 1. Foundations of Video in Learning

Learning video carries tracking, completion, and assessment a plain stream does not — what that means for e-learning app development and build vs buy.

A dropped webinar is annoying; a learning video that fails to record completion is a compliance event. Why a video learning platform is harder to build.

The five learning video formats — lecture, microlearning, interactive, live class, and cohort — compared by cost, tracking, and the job each does.

How learning science — cognitive load, the six-minute attention cliff, chunking, and retrieval practice — shapes the video features you build.

A layer-by-layer map of e-learning platform development — authoring, video delivery, SCORM/xAPI tracking, the LMS/LRS, and what to build vs buy.

Learning metrics explained: engagement, progress, completion, mastery — what each proves, leading vs lagging, how SCORM, xAPI and Caliper record them.

What an e-learning platform really costs in 2026: the build price, the run cost that grows with learners, and the learner count where building beats buying.

Build, buy, or extend an existing LMS for video learning? A 2026 guide to the three paths, their real costs, and a decision tree to choose.