Why don't you try your idea on this idea itself? I mean use Mechanical Turk to get feedback on it. The main utility of your idea is to see if the feedback is an

Why don't you try your idea on this idea itself? I mean use Mechanical Turk to get feedback on it. The main utility of your idea is to see if the feedback is any good. So, just do it manually first before building an application. Submit this idea and a few others (look at the many recent threads here about ideas).