- None seem to use A/B testing with users?
- None seem to use SM-2 learning for reviewing? https://www.supermemo.com/en/archives1990-2015/english/ol/sm2
- AI which learns how you learn and modifies teaching style?
- Few seem to assign you a mentor (which could be an old student).
A few seem innovative:
- Duolingo on their pricing
- Lingq on their mixture of reading, and audio learning
- MOOCs on their use of student mentor - correction groups
- udemy in that anyone can become a teacher
What is the most advanced course you have taken? Is anyone pushing the boundaries on teaching tech?