HackerTube / Video
Salman Khan TED Talk 2011 (from ted.com)
Khan Academy

Salman Khan's TED 2011 talk on Khan Academy. He shows that it goes beyond video lectures to self-paced practice and analytics for teachers, and argues for filling gaps in understanding.
HN recommends it to show Khan Academy's real model of mastery learning and teacher tools, often as a rebuttal to critics.
4 Hacker News mentions · 2011–2012