Tried that before, doesn't work. The problem is that people who learn foreign languages and people who are good at making videos are two total different groups.

Tried that before, doesn't work. The problem is that people who learn foreign languages and people who are good at making videos are two total different groups. We've done this before, got ten thousands of videos, but the content was too random, too difficult for most learners and video quality was not good enough, and we're trying it again as a contest, where what creators can say are semi-restricted as video tasks.