It would be cool if MDN had a Stack Overflow question-and-answer style format alongside the main offering. Then Mozilla could take advantage of the gamification model where users earn badges and awards for their efforts.

Jeff Atwood said it once: `If you put a number next to someone's name, then that person will try everything to increase that number`. Also: it would look good on CVs and would be a good heuristic to determine if a person's really fit for a position.