That's the one which is really close. However, our main point to to provide multiple answers, but not a simple solutions. Besides, the Amazon's idea is not about instant answers, so there are not many chances to get your answer(s) within an hour after asking. And yes, I bet we can do it better. Just because we're more simple and easy and intuitive. More, speaking about Amazon's Turk, the price paid isn't relative to real world cost of living. Most of the HITs over there are less then $1 per hour gigs. We see our business in questions, which can be answered in 5 minutes or less, without need to perform long term investigation, review, discussion or anything time consuming.