Right, I kind of don't believe what people say unless they give me concrete feedbacks. Recently I also tried to get some feedbacks through mturk. Probably thos

Right, I kind of don't believe what people say unless they give me concrete feedbacks. Recently I also tried to get some feedbacks through mturk. Probably those guys want to get their feedback approved so they all complimented my service. Still doing different experiments and see what are effective...