This is awesome! Plans to include data science topics? Seems awesome for web (and the python course).

Just tried it out for a couple hours, a little feedback on the UI: -After I changed code around, I clicked "play" on the video (mistakenly thinking it would run my code)- of course it resumed the video, and all my code changes/additions were gone. Frustrating for a few times, until I learned my lesson. -After a video finished, I started editing code, but the auto-advance kicked in, moving me to the next video, and ending my code edit.