Amber Phoenix #BringBackBackgrounds

ooh yas! (also, eagerly your reply?)

1. Cộng đồng
2. Feature Requests and General Site Feedback
3. "Open-Access" Programs

I think you could achieve the affect you want with a teacher account system.

1. Cộng đồng
2. Feature Requests and General Site Feedback
3. Parent-Managed Learner Accounts

When you add a time you're confused on in your question.

1. Cộng đồng
2. General Khan Academy Questions
3. How to Get the Badges in Khan Academy

Here goes. For Nice Listener, Act 1 Scene 1, and Great Listener, I'm pretty sure you don't need one long video, but if you would prefer to do that, check this out. http://whatbadgenext.appspot.com/...

1. Cộng đồng
2. General Khan Academy Questions
3. How to Get the Badges in Khan Academy