introduce of moderator.appspot.com

http://moderator.appspot.com/
it seems to be work this way:
you are free to ask a question, and the question can be voted by others.
and the person being asked (usually be very import persons), find the questions which are voted a lot(that question appeals to be important), and answer it.
so the system can show the most important questions conserndered by most of the people.

but now i see, most questions are voted by thousend or millons of persons but not ever(seems to be) answered.